164556215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{12791}}^1$

素因数の和:12910

約数の個数: 16

約数和(自身を含む): 206309376

約数和(自身を除く): 41753161

約数列:

[1, 5, 31, 83, 155, 415, 2573, 12791, 12865, 63955, 396521, 1061653, 1982605, 5308265, 32911243, 164556215]

約数ペア:

[(1, 164556215), (5, 32911243), (31, 5308265), (83, 1982605), (155, 1061653), (415, 396521), (2573, 63955), (12791, 12865)]