78417684

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{15671}}^1$

素因数の和:15820

約数の個数: 36

約数和(自身を含む): 199661280

約数和(自身を除く): 121243596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 15671, 31342, 47013, 62684, 94026, 141039, 188052, 282078, 564156, 2178269, 4356538, 6534807, 8713076, 13069614, 19604421, 26139228, 39208842, 78417684]

約数ペア:

[(1, 78417684), (2, 39208842), (3, 26139228), (4, 19604421), (6, 13069614), (9, 8713076), (12, 6534807), (18, 4356538), (36, 2178269), (139, 564156), (278, 282078), (417, 188052), (556, 141039), (834, 94026), (1251, 62684), (1668, 47013), (2502, 31342), (5004, 15671)]