1988778964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1621}}^1\times {\mathrm{7481}}^1$

素因数の和:9147

約数の個数: 24

約数和(自身を含む): 3567926376

約数和(自身を除く): 1579147412

約数列:

[1, 2, 4, 41, 82, 164, 1621, 3242, 6484, 7481, 14962, 29924, 66461, 132922, 265844, 306721, 613442, 1226884, 12126701, 24253402, 48506804, 497194741, 994389482, 1988778964]

約数ペア:

[(1, 1988778964), (2, 994389482), (4, 497194741), (41, 48506804), (82, 24253402), (164, 12126701), (1621, 1226884), (3242, 613442), (6484, 306721), (7481, 265844), (14962, 132922), (29924, 66461)]