257816858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{78079}}^1$

素因数の和:78221

約数の個数: 16

約数和(自身を含む): 419758080

約数和(自身を除く): 161941222

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 78079, 156158, 1015027, 2030054, 9916033, 19832066, 128908429, 257816858]

約数ペア:

[(1, 257816858), (2, 128908429), (13, 19832066), (26, 9916033), (127, 2030054), (254, 1015027), (1651, 156158), (3302, 78079)]