990293268

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{13807}}^1$

素因数の和:13996

約数の個数: 48

約数和(自身を含む): 2381603840

約数和(自身を除く): 1391310572

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 278, 417, 516, 556, 834, 1668, 5977, 11954, 13807, 17931, 23908, 27614, 35862, 41421, 55228, 71724, 82842, 165684, 593701, 1187402, 1781103, 1919173, 2374804, 3562206, 3838346, 5757519, 7124412, 7676692, 11515038, 23030076, 82524439, 165048878, 247573317, 330097756, 495146634, 990293268]

約数ペア:

[(1, 990293268), (2, 495146634), (3, 330097756), (4, 247573317), (6, 165048878), (12, 82524439), (43, 23030076), (86, 11515038), (129, 7676692), (139, 7124412), (172, 5757519), (258, 3838346), (278, 3562206), (417, 2374804), (516, 1919173), (556, 1781103), (834, 1187402), (1668, 593701), (5977, 165684), (11954, 82842), (13807, 71724), (17931, 55228), (23908, 41421), (27614, 35862)]