256416914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{70951}}^1$

素因数の和:71105

約数の個数: 16

約数和(自身を含む): 417197760

約数和(自身を除く): 160780846

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 70951, 141902, 922363, 1844726, 9862189, 19724378, 128208457, 256416914]

約数ペア:

[(1, 256416914), (2, 128208457), (13, 19724378), (26, 9862189), (139, 1844726), (278, 922363), (1807, 141902), (3614, 70951)]