81656236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{20353}}^1$

素因数の和:20433

約数の個数: 24

約数和(自身を含む): 153876240

約数和(自身を除く): 72220004

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 1003, 2006, 4012, 20353, 40706, 81412, 346001, 692002, 1200827, 1384004, 2401654, 4803308, 20414059, 40828118, 81656236]

約数ペア:

[(1, 81656236), (2, 40828118), (4, 20414059), (17, 4803308), (34, 2401654), (59, 1384004), (68, 1200827), (118, 692002), (236, 346001), (1003, 81412), (2006, 40706), (4012, 20353)]