8721000964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{5179}}^1$

素因数の和:5309

約数の個数: 72

約数和(自身を含む): 17199423360

約数和(自身を除く): 8478422396

約数列:

[1, 2, 4, 13, 26, 47, 52, 53, 94, 106, 169, 188, 212, 338, 611, 676, 689, 1222, 1378, 2444, 2491, 2756, 4982, 5179, 7943, 8957, 9964, 10358, 15886, 17914, 20716, 31772, 32383, 35828, 64766, 67327, 129532, 134654, 243413, 269308, 274487, 420979, 486826, 548974, 841958, 875251, 973652, 1097948, 1683916, 1750502, 3164369, 3501004, 3568331, 6328738, 7136662, 12657476, 12900889, 14273324, 25801778, 41136797, 46388303, 51603556, 82273594, 92776606, 164547188, 167711557, 185553212, 335423114, 670846228, 2180250241, 4360500482, 8721000964]

約数ペア:

[(1, 8721000964), (2, 4360500482), (4, 2180250241), (13, 670846228), (26, 335423114), (47, 185553212), (52, 167711557), (53, 164547188), (94, 92776606), (106, 82273594), (169, 51603556), (188, 46388303), (212, 41136797), (338, 25801778), (611, 14273324), (676, 12900889), (689, 12657476), (1222, 7136662), (1378, 6328738), (2444, 3568331), (2491, 3501004), (2756, 3164369), (4982, 1750502), (5179, 1683916), (7943, 1097948), (8957, 973652), (9964, 875251), (10358, 841958), (15886, 548974), (17914, 486826), (20716, 420979), (31772, 274487), (32383, 269308), (35828, 243413), (64766, 134654), (67327, 129532)]