638876462

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1\times {\mathrm{1427}}^1$

素因数の和:1832

約数の個数: 32

約数和(自身を含む): 1109590272

約数和(自身を除く): 470713810

約数列:

[1, 2, 7, 14, 113, 226, 283, 566, 791, 1427, 1582, 1981, 2854, 3962, 9989, 19978, 31979, 63958, 161251, 223853, 322502, 403841, 447706, 807682, 1128757, 2257514, 2826887, 5653774, 45634033, 91268066, 319438231, 638876462]

約数ペア:

[(1, 638876462), (2, 319438231), (7, 91268066), (14, 45634033), (113, 5653774), (226, 2826887), (283, 2257514), (566, 1128757), (791, 807682), (1427, 447706), (1582, 403841), (1981, 322502), (2854, 223853), (3962, 161251), (9989, 63958), (19978, 31979)]