7278138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 18420480

約数和(自身を除く): 11142342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1229, 1974, 2458, 2961, 3687, 5922, 7374, 8603, 11061, 17206, 22122, 25809, 51618, 57763, 77427, 115526, 154854, 173289, 346578, 404341, 519867, 808682, 1039734, 1213023, 2426046, 3639069, 7278138]

約数ペア:

[(1, 7278138), (2, 3639069), (3, 2426046), (6, 1213023), (7, 1039734), (9, 808682), (14, 519867), (18, 404341), (21, 346578), (42, 173289), (47, 154854), (63, 115526), (94, 77427), (126, 57763), (141, 51618), (282, 25809), (329, 22122), (423, 17206), (658, 11061), (846, 8603), (987, 7374), (1229, 5922), (1974, 3687), (2458, 2961)]