81858604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{2003}}^1$

素因数の和:2625

約数の個数: 24

約数和(自身を含む): 152007408

約数和(自身を除く): 70148804

約数列:

[1, 2, 4, 17, 34, 68, 601, 1202, 2003, 2404, 4006, 8012, 10217, 20434, 34051, 40868, 68102, 136204, 1203803, 2407606, 4815212, 20464651, 40929302, 81858604]

約数ペア:

[(1, 81858604), (2, 40929302), (4, 20464651), (17, 4815212), (34, 2407606), (68, 1203803), (601, 136204), (1202, 68102), (2003, 40868), (2404, 34051), (4006, 20434), (8012, 10217)]