203189872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{409657}}^1$

素因数の和:409696

約数の個数: 20

約数和(自身を含む): 406380736

約数和(自身を除く): 203190864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 409657, 819314, 1638628, 3277256, 6554512, 12699367, 25398734, 50797468, 101594936, 203189872]

約数ペア:

[(1, 203189872), (2, 101594936), (4, 50797468), (8, 25398734), (16, 12699367), (31, 6554512), (62, 3277256), (124, 1638628), (248, 819314), (496, 409657)]