81356216

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{56813}}^1$

素因数の和:56998

約数の個数: 16

約数和(自身を含む): 153397800

約数和(自身を除く): 72041584

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 56813, 113626, 227252, 454504, 10169527, 20339054, 40678108, 81356216]

約数ペア:

[(1, 81356216), (2, 40678108), (4, 20339054), (8, 10169527), (179, 454504), (358, 227252), (716, 113626), (1432, 56813)]