688908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 1862784

約数和(自身を除く): 1173876

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 307, 374, 561, 614, 748, 921, 1122, 1228, 1842, 2244, 3377, 3684, 5219, 6754, 10131, 10438, 13508, 15657, 20262, 20876, 31314, 40524, 57409, 62628, 114818, 172227, 229636, 344454, 688908]

約数ペア:

[(1, 688908), (2, 344454), (3, 229636), (4, 172227), (6, 114818), (11, 62628), (12, 57409), (17, 40524), (22, 31314), (33, 20876), (34, 20262), (44, 15657), (51, 13508), (66, 10438), (68, 10131), (102, 6754), (132, 5219), (187, 3684), (204, 3377), (307, 2244), (374, 1842), (561, 1228), (614, 1122), (748, 921)]