251989452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1644

約数の個数: 144

約数和(自身を含む): 772961280

約数和(自身を除く): 520971828

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 31, 33, 36, 39, 44, 52, 62, 66, 78, 93, 99, 117, 124, 132, 143, 156, 186, 198, 234, 279, 286, 341, 372, 396, 403, 429, 468, 558, 572, 682, 806, 858, 1023, 1116, 1209, 1287, 1364, 1579, 1612, 1716, 2046, 2418, 2574, 3069, 3158, 3627, 4092, 4433, 4737, 4836, 5148, 6138, 6316, 7254, 8866, 9474, 12276, 13299, 14211, 14508, 17369, 17732, 18948, 20527, 26598, 28422, 34738, 39897, 41054, 48949, 52107, 53196, 56844, 61581, 69476, 79794, 82108, 97898, 104214, 123162, 146847, 156321, 159588, 184743, 195796, 208428, 225797, 246324, 293694, 312642, 369486, 440541, 451594, 538439, 587388, 625284, 636337, 677391, 738972, 881082, 903188, 1076878, 1272674, 1354782, 1615317, 1762164, 1909011, 2032173, 2153756, 2545348, 2709564, 3230634, 3818022, 4064346, 4845951, 5727033, 6461268, 6999707, 7636044, 8128692, 9691902, 11454066, 13999414, 19383804, 20999121, 22908132, 27998828, 41998242, 62997363, 83996484, 125994726, 251989452]

約数ペア:

[(1, 251989452), (2, 125994726), (3, 83996484), (4, 62997363), (6, 41998242), (9, 27998828), (11, 22908132), (12, 20999121), (13, 19383804), (18, 13999414), (22, 11454066), (26, 9691902), (31, 8128692), (33, 7636044), (36, 6999707), (39, 6461268), (44, 5727033), (52, 4845951), (62, 4064346), (66, 3818022), (78, 3230634), (93, 2709564), (99, 2545348), (117, 2153756), (124, 2032173), (132, 1909011), (143, 1762164), (156, 1615317), (186, 1354782), (198, 1272674), (234, 1076878), (279, 903188), (286, 881082), (341, 738972), (372, 677391), (396, 636337), (403, 625284), (429, 587388), (468, 538439), (558, 451594), (572, 440541), (682, 369486), (806, 312642), (858, 293694), (1023, 246324), (1116, 225797), (1209, 208428), (1287, 195796), (1364, 184743), (1579, 159588), (1612, 156321), (1716, 146847), (2046, 123162), (2418, 104214), (2574, 97898), (3069, 82108), (3158, 79794), (3627, 69476), (4092, 61581), (4433, 56844), (4737, 53196), (4836, 52107), (5148, 48949), (6138, 41054), (6316, 39897), (7254, 34738), (8866, 28422), (9474, 26598), (12276, 20527), (13299, 18948), (14211, 17732), (14508, 17369)]