71871664

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 142612400

約数和(自身を除く): 70740736

約数列:

[1, 2, 4, 8, 16, 61, 122, 211, 244, 349, 422, 488, 698, 844, 976, 1396, 1688, 2792, 3376, 5584, 12871, 21289, 25742, 42578, 51484, 73639, 85156, 102968, 147278, 170312, 205936, 294556, 340624, 589112, 1178224, 4491979, 8983958, 17967916, 35935832, 71871664]

約数ペア:

[(1, 71871664), (2, 35935832), (4, 17967916), (8, 8983958), (16, 4491979), (61, 1178224), (122, 589112), (211, 340624), (244, 294556), (349, 205936), (422, 170312), (488, 147278), (698, 102968), (844, 85156), (976, 73639), (1396, 51484), (1688, 42578), (2792, 25742), (3376, 21289), (5584, 12871)]