520011877

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 660142080

約数和(自身を除く): 140130203

約数列:

[1, 7, 11, 77, 103, 173, 379, 721, 1133, 1211, 1903, 2653, 4169, 7931, 13321, 17819, 29183, 39037, 65567, 124733, 196009, 273259, 429407, 458969, 721237, 1372063, 3005849, 5048659, 6753401, 47273807, 74287411, 520011877]

約数ペア:

[(1, 520011877), (7, 74287411), (11, 47273807), (77, 6753401), (103, 5048659), (173, 3005849), (379, 1372063), (721, 721237), (1133, 458969), (1211, 429407), (1903, 273259), (2653, 196009), (4169, 124733), (7931, 65567), (13321, 39037), (17819, 29183)]