661900538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{233557}}^1$

素因数の和:233681

約数の個数: 16

約数和(自身を含む): 1079037960

約数和(自身を除く): 417137422

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 233557, 467114, 3036241, 6072482, 25457713, 50915426, 330950269, 661900538]

約数ペア:

[(1, 661900538), (2, 330950269), (13, 50915426), (26, 25457713), (109, 6072482), (218, 3036241), (1417, 467114), (2834, 233557)]