145128848

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{221233}}^1$

素因数の和:221282

約数の個数: 20

約数和(自身を含む): 288046668

約数和(自身を除く): 142917820

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 221233, 442466, 884932, 1769864, 3539728, 9070553, 18141106, 36282212, 72564424, 145128848]

約数ペア:

[(1, 145128848), (2, 72564424), (4, 36282212), (8, 18141106), (16, 9070553), (41, 3539728), (82, 1769864), (164, 884932), (328, 442466), (656, 221233)]