28958371

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 32451328

約数和(自身を除く): 3492957

約数列:

[1, 13, 31, 181, 397, 403, 2353, 5161, 5611, 12307, 71857, 72943, 159991, 934141, 2227567, 28958371]

約数ペア:

[(1, 28958371), (13, 2227567), (31, 934141), (181, 159991), (397, 72943), (403, 71857), (2353, 12307), (5161, 5611)]