639336204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 1924300560

約数和(自身を除く): 1284964356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 29, 34, 36, 39, 51, 52, 58, 68, 78, 87, 102, 116, 117, 153, 156, 163, 174, 204, 221, 234, 261, 289, 306, 326, 348, 377, 442, 468, 489, 493, 522, 578, 612, 652, 663, 754, 867, 884, 978, 986, 1044, 1131, 1156, 1326, 1467, 1479, 1508, 1734, 1956, 1972, 1989, 2119, 2262, 2601, 2652, 2771, 2934, 2958, 3393, 3468, 3757, 3978, 4238, 4437, 4524, 4727, 5202, 5542, 5868, 5916, 6357, 6409, 6786, 7514, 7956, 8313, 8381, 8476, 8874, 9454, 10404, 11084, 11271, 12714, 12818, 13572, 14181, 15028, 16626, 16762, 17748, 18908, 19071, 19227, 22542, 24939, 25143, 25428, 25636, 28362, 33252, 33524, 33813, 36023, 38142, 38454, 42543, 45084, 47107, 49878, 50286, 56724, 57681, 61451, 67626, 72046, 75429, 76284, 76908, 80359, 85086, 94214, 99756, 100572, 108069, 108953, 115362, 122902, 135252, 141321, 144092, 150858, 160718, 170172, 184353, 188428, 216138, 217906, 230724, 241077, 245804, 282642, 301716, 321436, 324207, 326859, 368706, 423963, 432276, 435812, 482154, 553059, 565284, 612391, 648414, 653718, 723231, 737412, 847926, 964308, 980577, 1044667, 1106118, 1224782, 1296828, 1307436, 1366103, 1446462, 1695852, 1837173, 1961154, 2089334, 2212236, 2449564, 2732206, 2892924, 3134001, 3674346, 3922308, 4098309, 4178668, 5464412, 5511519, 6268002, 7348692, 8196618, 9402003, 11023038, 12294927, 12536004, 16393236, 17759339, 18804006, 22046076, 24589854, 35518678, 37608012, 49179708, 53278017, 71037356, 106556034, 159834051, 213112068, 319668102, 639336204]

約数ペア:

[(1, 639336204), (2, 319668102), (3, 213112068), (4, 159834051), (6, 106556034), (9, 71037356), (12, 53278017), (13, 49179708), (17, 37608012), (18, 35518678), (26, 24589854), (29, 22046076), (34, 18804006), (36, 17759339), (39, 16393236), (51, 12536004), (52, 12294927), (58, 11023038), (68, 9402003), (78, 8196618), (87, 7348692), (102, 6268002), (116, 5511519), (117, 5464412), (153, 4178668), (156, 4098309), (163, 3922308), (174, 3674346), (204, 3134001), (221, 2892924), (234, 2732206), (261, 2449564), (289, 2212236), (306, 2089334), (326, 1961154), (348, 1837173), (377, 1695852), (442, 1446462), (468, 1366103), (489, 1307436), (493, 1296828), (522, 1224782), (578, 1106118), (612, 1044667), (652, 980577), (663, 964308), (754, 847926), (867, 737412), (884, 723231), (978, 653718), (986, 648414), (1044, 612391), (1131, 565284), (1156, 553059), (1326, 482154), (1467, 435812), (1479, 432276), (1508, 423963), (1734, 368706), (1956, 326859), (1972, 324207), (1989, 321436), (2119, 301716), (2262, 282642), (2601, 245804), (2652, 241077), (2771, 230724), (2934, 217906), (2958, 216138), (3393, 188428), (3468, 184353), (3757, 170172), (3978, 160718), (4238, 150858), (4437, 144092), (4524, 141321), (4727, 135252), (5202, 122902), (5542, 115362), (5868, 108953), (5916, 108069), (6357, 100572), (6409, 99756), (6786, 94214), (7514, 85086), (7956, 80359), (8313, 76908), (8381, 76284), (8476, 75429), (8874, 72046), (9454, 67626), (10404, 61451), (11084, 57681), (11271, 56724), (12714, 50286), (12818, 49878), (13572, 47107), (14181, 45084), (15028, 42543), (16626, 38454), (16762, 38142), (17748, 36023), (18908, 33813), (19071, 33524), (19227, 33252), (22542, 28362), (24939, 25636), (25143, 25428)]