89809015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{4423}}^1$

素因数の和:4590

約数の個数: 16

約数和(自身を含む): 112121856

約数和(自身を除く): 22312841

約数列:

[1, 5, 31, 131, 155, 655, 4061, 4423, 20305, 22115, 137113, 579413, 685565, 2897065, 17961803, 89809015]

約数ペア:

[(1, 89809015), (5, 17961803), (31, 2897065), (131, 685565), (155, 579413), (655, 137113), (4061, 22115), (4423, 20305)]