71780723

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2113}}^1$

素因数の和:2354

約数の個数: 16

約数和(自身を含む): 86048256

約数和(自身を除く): 14267533

約数列:

[1, 7, 23, 161, 211, 1477, 2113, 4853, 14791, 33971, 48599, 340193, 445843, 3120901, 10254389, 71780723]

約数ペア:

[(1, 71780723), (7, 10254389), (23, 3120901), (161, 445843), (211, 340193), (1477, 48599), (2113, 33971), (4853, 14791)]