289172968

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{24473}}^1$

素因数の和:24697

約数の個数: 32

約数和(自身を含む): 622618560

約数和(自身を除く): 333445592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2954, 5908, 11816, 24473, 48946, 97892, 171311, 195784, 342622, 685244, 1370488, 5163803, 10327606, 20655212, 36146621, 41310424, 72293242, 144586484, 289172968]

約数ペア:

[(1, 289172968), (2, 144586484), (4, 72293242), (7, 41310424), (8, 36146621), (14, 20655212), (28, 10327606), (56, 5163803), (211, 1370488), (422, 685244), (844, 342622), (1477, 195784), (1688, 171311), (2954, 97892), (5908, 48946), (11816, 24473)]