220338974

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1\times {\mathrm{2143}}^1$

素因数の和:2755

約数の個数: 16

約数和(自身を含む): 334592640

約数和(自身を除く): 114253666

約数列:

[1, 2, 101, 202, 509, 1018, 2143, 4286, 51409, 102818, 216443, 432886, 1090787, 2181574, 110169487, 220338974]

約数ペア:

[(1, 220338974), (2, 110169487), (101, 2181574), (202, 1090787), (509, 432886), (1018, 216443), (2143, 102818), (4286, 51409)]