7914490

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 14754960

約数和(自身を除く): 6840470

約数列:

[1, 2, 5, 10, 53, 106, 109, 137, 218, 265, 274, 530, 545, 685, 1090, 1370, 5777, 7261, 11554, 14522, 14933, 28885, 29866, 36305, 57770, 72610, 74665, 149330, 791449, 1582898, 3957245, 7914490]

約数ペア:

[(1, 7914490), (2, 3957245), (5, 1582898), (10, 791449), (53, 149330), (106, 74665), (109, 72610), (137, 57770), (218, 36305), (265, 29866), (274, 28885), (530, 14933), (545, 14522), (685, 11554), (1090, 7261), (1370, 5777)]