28357985

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 34945680

約数和(自身を除く): 6587695

約数列:

[1, 5, 61, 109, 305, 545, 853, 4265, 6649, 33245, 52033, 92977, 260165, 464885, 5671597, 28357985]

約数ペア:

[(1, 28357985), (5, 5671597), (61, 464885), (109, 260165), (305, 92977), (545, 52033), (853, 33245), (4265, 6649)]