81801416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2287}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 163088640

約数和(自身を除く): 81287224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 263, 526, 1052, 2104, 2287, 4471, 4574, 8942, 9148, 17884, 18296, 35768, 38879, 77758, 155516, 311032, 601481, 1202962, 2405924, 4811848, 10225177, 20450354, 40900708, 81801416]

約数ペア:

[(1, 81801416), (2, 40900708), (4, 20450354), (8, 10225177), (17, 4811848), (34, 2405924), (68, 1202962), (136, 601481), (263, 311032), (526, 155516), (1052, 77758), (2104, 38879), (2287, 35768), (4471, 18296), (4574, 17884), (8942, 9148)]