640268049

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1\times {\mathrm{5171}}^1$

素因数の和:5600

約数の個数: 16

約数和(自身を含む): 862689600

約数和(自身を除く): 222421551

約数列:

[1, 3, 149, 277, 447, 831, 5171, 15513, 41273, 123819, 770479, 1432367, 2311437, 4297101, 213422683, 640268049]

約数ペア:

[(1, 640268049), (3, 213422683), (149, 4297101), (277, 2311437), (447, 1432367), (831, 770479), (5171, 123819), (15513, 41273)]