28377684

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 74299680

約数和(自身を除く): 45921996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 107, 139, 159, 212, 214, 278, 318, 321, 417, 428, 477, 556, 636, 642, 834, 954, 963, 1251, 1284, 1668, 1908, 1926, 2502, 3852, 5004, 5671, 7367, 11342, 14734, 14873, 17013, 22101, 22684, 29468, 29746, 34026, 44202, 44619, 51039, 59492, 66303, 68052, 88404, 89238, 102078, 132606, 133857, 178476, 204156, 265212, 267714, 535428, 788269, 1576538, 2364807, 3153076, 4729614, 7094421, 9459228, 14188842, 28377684]

約数ペア:

[(1, 28377684), (2, 14188842), (3, 9459228), (4, 7094421), (6, 4729614), (9, 3153076), (12, 2364807), (18, 1576538), (36, 788269), (53, 535428), (106, 267714), (107, 265212), (139, 204156), (159, 178476), (212, 133857), (214, 132606), (278, 102078), (318, 89238), (321, 88404), (417, 68052), (428, 66303), (477, 59492), (556, 51039), (636, 44619), (642, 44202), (834, 34026), (954, 29746), (963, 29468), (1251, 22684), (1284, 22101), (1668, 17013), (1908, 14873), (1926, 14734), (2502, 11342), (3852, 7367), (5004, 5671)]