661517381

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{12227}}^1$

素因数の和:12424

約数の個数: 16

約数和(自身を含む): 774766080

約数和(自身を除く): 113248699

約数列:

[1, 7, 59, 131, 413, 917, 7729, 12227, 54103, 85589, 721393, 1601737, 5049751, 11212159, 94502483, 661517381]

約数ペア:

[(1, 661517381), (7, 94502483), (59, 11212159), (131, 5049751), (413, 1601737), (917, 721393), (7729, 85589), (12227, 54103)]