81691846

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{2707}}^1$

素因数の和:2979

約数の個数: 16

約数和(自身を含む): 124784640

約数和(自身を除く): 43092794

約数列:

[1, 2, 79, 158, 191, 382, 2707, 5414, 15089, 30178, 213853, 427706, 517037, 1034074, 40845923, 81691846]

約数ペア:

[(1, 81691846), (2, 40845923), (79, 1034074), (158, 517037), (191, 427706), (382, 213853), (2707, 30178), (5414, 15089)]