81445708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{3079}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 151351200

約数和(自身を除く): 69905492

約数列:

[1, 2, 4, 17, 34, 68, 389, 778, 1556, 3079, 6158, 6613, 12316, 13226, 26452, 52343, 104686, 209372, 1197731, 2395462, 4790924, 20361427, 40722854, 81445708]

約数ペア:

[(1, 81445708), (2, 40722854), (4, 20361427), (17, 4790924), (34, 2395462), (68, 1197731), (389, 209372), (778, 104686), (1556, 52343), (3079, 26452), (6158, 13226), (6613, 12316)]