156978320816

素因数分解:

$2^4\times {\mathrm{25261}}^1\times {\mathrm{388391}}^1$

素因数の和:413660

約数の個数: 20

約数和(自身を含む): 304158319824

約数和(自身を除く): 147179999008

約数列:

[1, 2, 4, 8, 16, 25261, 50522, 101044, 202088, 388391, 404176, 776782, 1553564, 3107128, 6214256, 9811145051, 19622290102, 39244580204, 78489160408, 156978320816]

約数ペア:

[(1, 156978320816), (2, 78489160408), (4, 39244580204), (8, 19622290102), (16, 9811145051), (25261, 6214256), (50522, 3107128), (101044, 1553564), (202088, 776782), (388391, 404176)]