66131312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{911}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 138532800

約数和(自身を除く): 72401488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349, 698, 911, 1396, 1822, 2792, 3644, 4537, 5584, 7288, 9074, 11843, 14576, 18148, 23686, 36296, 47372, 72592, 94744, 189488, 317939, 635878, 1271756, 2543512, 4133207, 5087024, 8266414, 16532828, 33065656, 66131312]

約数ペア:

[(1, 66131312), (2, 33065656), (4, 16532828), (8, 8266414), (13, 5087024), (16, 4133207), (26, 2543512), (52, 1271756), (104, 635878), (208, 317939), (349, 189488), (698, 94744), (911, 72592), (1396, 47372), (1822, 36296), (2792, 23686), (3644, 18148), (4537, 14576), (5584, 11843), (7288, 9074)]