25826829

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 40697856

約数和(自身を除く): 14871027

約数列:

[1, 3, 7, 21, 47, 137, 141, 191, 329, 411, 573, 959, 987, 1337, 2877, 4011, 6439, 8977, 19317, 26167, 26931, 45073, 62839, 78501, 135219, 183169, 188517, 549507, 1229849, 3689547, 8608943, 25826829]

約数ペア:

[(1, 25826829), (3, 8608943), (7, 3689547), (21, 1229849), (47, 549507), (137, 188517), (141, 183169), (191, 135219), (329, 78501), (411, 62839), (573, 45073), (959, 26931), (987, 26167), (1337, 19317), (2877, 8977), (4011, 6439)]