209212112

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{221623}}^1$

素因数の和:221690

約数の個数: 20

約数和(自身を含む): 412220640

約数和(自身を除く): 203008528

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 221623, 443246, 886492, 1772984, 3545968, 13075757, 26151514, 52303028, 104606056, 209212112]

約数ペア:

[(1, 209212112), (2, 104606056), (4, 52303028), (8, 26151514), (16, 13075757), (59, 3545968), (118, 1772984), (236, 886492), (472, 443246), (944, 221623)]