123215998

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1\times {\mathrm{1783}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 187212960

約数和(自身を除く): 63996962

約数列:

[1, 2, 109, 218, 317, 634, 1783, 3566, 34553, 69106, 194347, 388694, 565211, 1130422, 61607999, 123215998]

約数ペア:

[(1, 123215998), (2, 61607999), (109, 1130422), (218, 565211), (317, 388694), (634, 194347), (1783, 69106), (3566, 34553)]