870820018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{26339}}^1$

素因数の和:26673

約数の個数: 16

約数和(自身を含む): 1332593280

約数和(自身を除く): 461773262

約数列:

[1, 2, 61, 122, 271, 542, 16531, 26339, 33062, 52678, 1606679, 3213358, 7137869, 14275738, 435410009, 870820018]

約数ペア:

[(1, 870820018), (2, 435410009), (61, 14275738), (122, 7137869), (271, 3213358), (542, 1606679), (16531, 52678), (26339, 33062)]