163905804

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 430230528

約数和(自身を除く): 266324724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 227, 279, 372, 454, 558, 647, 681, 908, 1116, 1294, 1362, 1941, 2043, 2588, 2724, 3882, 4086, 5823, 7037, 7764, 8172, 11646, 14074, 20057, 21111, 23292, 28148, 40114, 42222, 60171, 63333, 80228, 84444, 120342, 126666, 146869, 180513, 240684, 253332, 293738, 361026, 440607, 587476, 722052, 881214, 1321821, 1762428, 2643642, 4552939, 5287284, 9105878, 13658817, 18211756, 27317634, 40976451, 54635268, 81952902, 163905804]

約数ペア:

[(1, 163905804), (2, 81952902), (3, 54635268), (4, 40976451), (6, 27317634), (9, 18211756), (12, 13658817), (18, 9105878), (31, 5287284), (36, 4552939), (62, 2643642), (93, 1762428), (124, 1321821), (186, 881214), (227, 722052), (279, 587476), (372, 440607), (454, 361026), (558, 293738), (647, 253332), (681, 240684), (908, 180513), (1116, 146869), (1294, 126666), (1362, 120342), (1941, 84444), (2043, 80228), (2588, 63333), (2724, 60171), (3882, 42222), (4086, 40114), (5823, 28148), (7037, 23292), (7764, 21111), (8172, 20057), (11646, 14074)]