81139968016

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{14126039}}^1$

素因数の和:14126406

約数の個数: 20

約数和(自身を含む): 157646606400

約数和(自身を除く): 76506638384

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 5744, 14126039, 28252078, 56504156, 113008312, 226016624, 5071248001, 10142496002, 20284992004, 40569984008, 81139968016]

約数ペア:

[(1, 81139968016), (2, 40569984008), (4, 20284992004), (8, 10142496002), (16, 5071248001), (359, 226016624), (718, 113008312), (1436, 56504156), (2872, 28252078), (5744, 14126039)]