28890379

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 4978421

約数列:

[1, 7, 79, 89, 553, 587, 623, 4109, 7031, 46373, 49217, 52243, 324611, 365701, 4127197, 28890379]

約数ペア:

[(1, 28890379), (7, 4127197), (79, 365701), (89, 324611), (553, 52243), (587, 49217), (623, 46373), (4109, 7031)]