71991232943

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1\times {\mathrm{809}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 83665612800

約数和(自身を除く): 11674379857

約数列:

[1, 7, 109, 223, 523, 763, 809, 1561, 3661, 5663, 24307, 57007, 88181, 116629, 170149, 180407, 399049, 423107, 617267, 816403, 1262849, 2961749, 12712561, 19664363, 46118663, 88987927, 94352861, 137650541, 322830641, 660470027, 10284461849, 71991232943]

約数ペア:

[(1, 71991232943), (7, 10284461849), (109, 660470027), (223, 322830641), (523, 137650541), (763, 94352861), (809, 88987927), (1561, 46118663), (3661, 19664363), (5663, 12712561), (24307, 2961749), (57007, 1262849), (88181, 816403), (116629, 617267), (170149, 423107), (180407, 399049)]