31399498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15287}}^1$

素因数の和:15381

約数の個数: 16

約数和(自身を含む): 51367680

約数和(自身を除く): 19968182

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 15287, 30574, 198731, 397462, 1207673, 2415346, 15699749, 31399498]

約数ペア:

[(1, 31399498), (2, 15699749), (13, 2415346), (26, 1207673), (79, 397462), (158, 198731), (1027, 30574), (2054, 15287)]