28489279

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10099}}^1$

素因数の和:10150

約数の個数: 16

約数和(自身を含む): 36198400

約数和(自身を除く): 7709121

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 10099, 70693, 131287, 313069, 919009, 2191483, 4069897, 28489279]

約数ペア:

[(1, 28489279), (7, 4069897), (13, 2191483), (31, 919009), (91, 313069), (217, 131287), (403, 70693), (2821, 10099)]