9217220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6491}}^1$

素因数の和:6571

約数の個数: 24

約数和(自身を含む): 19631808

約数和(自身を除く): 10414588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6491, 12982, 25964, 32455, 64910, 129820, 460861, 921722, 1843444, 2304305, 4608610, 9217220]

約数ペア:

[(1, 9217220), (2, 4608610), (4, 2304305), (5, 1843444), (10, 921722), (20, 460861), (71, 129820), (142, 64910), (284, 32455), (355, 25964), (710, 12982), (1420, 6491)]