687978239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^2$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 791839440

約数和(自身を除く): 103861201

約数列:

[1, 13, 19, 113, 157, 247, 1469, 2041, 2147, 2983, 17741, 24649, 27911, 38779, 230633, 320437, 337079, 468331, 2785337, 4382027, 6088303, 36209381, 52921403, 687978239]

約数ペア:

[(1, 687978239), (13, 52921403), (19, 36209381), (113, 6088303), (157, 4382027), (247, 2785337), (1469, 468331), (2041, 337079), (2147, 320437), (2983, 230633), (17741, 38779), (24649, 27911)]