28803887

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 33606144

約数和(自身を除く): 4802257

約数列:

[1, 7, 101, 131, 311, 707, 917, 2177, 13231, 31411, 40741, 92617, 219877, 285187, 4114841, 28803887]

約数ペア:

[(1, 28803887), (7, 4114841), (101, 285187), (131, 219877), (311, 92617), (707, 40741), (917, 31411), (2177, 13231)]