1878004528

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{827}}^1\times {\mathrm{1999}}^1$

素因数の和:2905

約数の個数: 40

約数和(自身を含む): 3696192000

約数和(自身を除く): 1818187472

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 827, 1136, 1654, 1999, 3308, 3998, 6616, 7996, 13232, 15992, 31984, 58717, 117434, 141929, 234868, 283858, 469736, 567716, 939472, 1135432, 1653173, 2270864, 3306346, 6612692, 13225384, 26450768, 117375283, 234750566, 469501132, 939002264, 1878004528]

約数ペア:

[(1, 1878004528), (2, 939002264), (4, 469501132), (8, 234750566), (16, 117375283), (71, 26450768), (142, 13225384), (284, 6612692), (568, 3306346), (827, 2270864), (1136, 1653173), (1654, 1135432), (1999, 939472), (3308, 567716), (3998, 469736), (6616, 283858), (7996, 234868), (13232, 141929), (15992, 117434), (31984, 58717)]