72644570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1291}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 138977856

約数和(自身を除く): 66333286

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 331, 662, 1291, 1655, 2582, 3310, 5627, 6455, 11254, 12910, 21947, 28135, 43894, 56270, 109735, 219470, 427321, 854642, 2136605, 4273210, 7264457, 14528914, 36322285, 72644570]

約数ペア:

[(1, 72644570), (2, 36322285), (5, 14528914), (10, 7264457), (17, 4273210), (34, 2136605), (85, 854642), (170, 427321), (331, 219470), (662, 109735), (1291, 56270), (1655, 43894), (2582, 28135), (3310, 21947), (5627, 12910), (6455, 11254)]