129402928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260893}}^1$

素因数の和:260932

約数の個数: 20

約数和(自身を含む): 258806848

約数和(自身を除く): 129403920

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260893, 521786, 1043572, 2087144, 4174288, 8087683, 16175366, 32350732, 64701464, 129402928]

約数ペア:

[(1, 129402928), (2, 64701464), (4, 32350732), (8, 16175366), (16, 8087683), (31, 4174288), (62, 2087144), (124, 1043572), (248, 521786), (496, 260893)]