261737388

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 778377600

約数和(自身を除く): 516640212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 43, 44, 57, 66, 76, 86, 99, 114, 129, 132, 171, 172, 198, 209, 228, 258, 342, 387, 396, 418, 473, 516, 627, 684, 774, 809, 817, 836, 946, 1254, 1419, 1548, 1618, 1634, 1881, 1892, 2427, 2451, 2508, 2838, 3236, 3268, 3762, 4257, 4854, 4902, 5676, 7281, 7353, 7524, 8514, 8899, 8987, 9708, 9804, 14562, 14706, 15371, 17028, 17798, 17974, 26697, 26961, 29124, 29412, 30742, 34787, 35596, 35948, 46113, 53394, 53922, 61484, 69574, 80091, 80883, 92226, 104361, 106788, 107844, 138339, 139148, 160182, 161766, 169081, 184452, 208722, 276678, 313083, 320364, 323532, 338162, 382657, 417444, 507243, 553356, 626166, 660953, 676324, 765314, 1014486, 1147971, 1252332, 1321906, 1521729, 1530628, 1982859, 2028972, 2295942, 2643812, 3043458, 3443913, 3965718, 4591884, 5948577, 6086916, 6887826, 7270483, 7931436, 11897154, 13775652, 14540966, 21811449, 23794308, 29081932, 43622898, 65434347, 87245796, 130868694, 261737388]

約数ペア:

[(1, 261737388), (2, 130868694), (3, 87245796), (4, 65434347), (6, 43622898), (9, 29081932), (11, 23794308), (12, 21811449), (18, 14540966), (19, 13775652), (22, 11897154), (33, 7931436), (36, 7270483), (38, 6887826), (43, 6086916), (44, 5948577), (57, 4591884), (66, 3965718), (76, 3443913), (86, 3043458), (99, 2643812), (114, 2295942), (129, 2028972), (132, 1982859), (171, 1530628), (172, 1521729), (198, 1321906), (209, 1252332), (228, 1147971), (258, 1014486), (342, 765314), (387, 676324), (396, 660953), (418, 626166), (473, 553356), (516, 507243), (627, 417444), (684, 382657), (774, 338162), (809, 323532), (817, 320364), (836, 313083), (946, 276678), (1254, 208722), (1419, 184452), (1548, 169081), (1618, 161766), (1634, 160182), (1881, 139148), (1892, 138339), (2427, 107844), (2451, 106788), (2508, 104361), (2838, 92226), (3236, 80883), (3268, 80091), (3762, 69574), (4257, 61484), (4854, 53922), (4902, 53394), (5676, 46113), (7281, 35948), (7353, 35596), (7524, 34787), (8514, 30742), (8899, 29412), (8987, 29124), (9708, 26961), (9804, 26697), (14562, 17974), (14706, 17798), (15371, 17028)]