28102907

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 32947200

約数和(自身を除く): 4844293

約数列:

[1, 7, 79, 89, 553, 571, 623, 3997, 7031, 45109, 49217, 50819, 315763, 355733, 4014701, 28102907]

約数ペア:

[(1, 28102907), (7, 4014701), (79, 355733), (89, 315763), (553, 50819), (571, 49217), (623, 45109), (3997, 7031)]