640367858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{33601}}^1$

素因数の和:34349

約数の個数: 16

約数和(自身を含む): 1035882456

約数和(自身を除く): 395514598

約数列:

[1, 2, 13, 26, 733, 1466, 9529, 19058, 33601, 67202, 436813, 873626, 24629533, 49259066, 320183929, 640367858]

約数ペア:

[(1, 640367858), (2, 320183929), (13, 49259066), (26, 24629533), (733, 873626), (1466, 436813), (9529, 67202), (19058, 33601)]