15640448

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 31615920

約数和(自身を除く): 15975472

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 1721, 2272, 3442, 4544, 6884, 9088, 13768, 27536, 55072, 110144, 122191, 220288, 244382, 488764, 977528, 1955056, 3910112, 7820224, 15640448]

約数ペア:

[(1, 15640448), (2, 7820224), (4, 3910112), (8, 1955056), (16, 977528), (32, 488764), (64, 244382), (71, 220288), (128, 122191), (142, 110144), (284, 55072), (568, 27536), (1136, 13768), (1721, 9088), (2272, 6884), (3442, 4544)]