66671628

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{39971}}^1$

素因数の和:40117

約数の個数: 24

約数和(自身を含む): 156690240

約数和(自身を除く): 90018612

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 39971, 79942, 119913, 159884, 239826, 479652, 5555969, 11111938, 16667907, 22223876, 33335814, 66671628]

約数ペア:

[(1, 66671628), (2, 33335814), (3, 22223876), (4, 16667907), (6, 11111938), (12, 5555969), (139, 479652), (278, 239826), (417, 159884), (556, 119913), (834, 79942), (1668, 39971)]