12778568

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 27036240

約数和(自身を除く): 14257672

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 307, 344, 473, 484, 614, 946, 968, 1228, 1892, 2456, 3377, 3784, 5203, 6754, 10406, 13201, 13508, 20812, 26402, 27016, 37147, 41624, 52804, 74294, 105608, 145211, 148588, 290422, 297176, 580844, 1161688, 1597321, 3194642, 6389284, 12778568]

約数ペア:

[(1, 12778568), (2, 6389284), (4, 3194642), (8, 1597321), (11, 1161688), (22, 580844), (43, 297176), (44, 290422), (86, 148588), (88, 145211), (121, 105608), (172, 74294), (242, 52804), (307, 41624), (344, 37147), (473, 27016), (484, 26402), (614, 20812), (946, 13508), (968, 13201), (1228, 10406), (1892, 6754), (2456, 5203), (3377, 3784)]