440985601

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{19993}}^1$

素因数の和:20160

約数の個数: 16

約数和(自身を含む): 529761024

約数和(自身を除く): 88775423

約数列:

[1, 7, 23, 137, 161, 959, 3151, 19993, 22057, 139951, 459839, 2739041, 3218873, 19173287, 62997943, 440985601]

約数ペア:

[(1, 440985601), (7, 62997943), (23, 19173287), (137, 3218873), (161, 2739041), (959, 459839), (3151, 139951), (19993, 22057)]