161581872

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{198017}}^1$

素因数の和:198045

約数の個数: 40

約数和(自身を含む): 441976176

約数和(自身を除く): 280394304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 198017, 396034, 594051, 792068, 1188102, 1584136, 2376204, 3168272, 3366289, 4752408, 6732578, 9504816, 10098867, 13465156, 20197734, 26930312, 40395468, 53860624, 80790936, 161581872]

約数ペア:

[(1, 161581872), (2, 80790936), (3, 53860624), (4, 40395468), (6, 26930312), (8, 20197734), (12, 13465156), (16, 10098867), (17, 9504816), (24, 6732578), (34, 4752408), (48, 3366289), (51, 3168272), (68, 2376204), (102, 1584136), (136, 1188102), (204, 792068), (272, 594051), (408, 396034), (816, 198017)]