1638981904

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{472057}}^1$

素因数の和:472103

約数の個数: 40

約数和(自身を含む): 3746252288

約数和(自身を除く): 2107270384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 472057, 944114, 1888228, 3304399, 3776456, 6608798, 7552912, 13217596, 14633767, 26435192, 29267534, 52870384, 58535068, 102436369, 117070136, 204872738, 234140272, 409745476, 819490952, 1638981904]

約数ペア:

[(1, 1638981904), (2, 819490952), (4, 409745476), (7, 234140272), (8, 204872738), (14, 117070136), (16, 102436369), (28, 58535068), (31, 52870384), (56, 29267534), (62, 26435192), (112, 14633767), (124, 13217596), (217, 7552912), (248, 6608798), (434, 3776456), (496, 3304399), (868, 1888228), (1736, 944114), (3472, 472057)]