397885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 16

約数和(自身を含む): 525312

約数和(自身を除く): 127427

約数列:

[1, 5, 17, 31, 85, 151, 155, 527, 755, 2567, 2635, 4681, 12835, 23405, 79577, 397885]

約数ペア:

[(1, 397885), (5, 79577), (17, 23405), (31, 12835), (85, 4681), (151, 2635), (155, 2567), (527, 755)]