311966874

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1861}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 691323360

約数和(自身を除く): 379356486

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 139, 201, 278, 402, 417, 603, 834, 1206, 1251, 1861, 2502, 3722, 5583, 9313, 11166, 16749, 18626, 27939, 33498, 55878, 83817, 124687, 167634, 249374, 258679, 374061, 517358, 748122, 776037, 1122183, 1552074, 2244366, 2328111, 4656222, 17331493, 34662986, 51994479, 103988958, 155983437, 311966874]

約数ペア:

[(1, 311966874), (2, 155983437), (3, 103988958), (6, 51994479), (9, 34662986), (18, 17331493), (67, 4656222), (134, 2328111), (139, 2244366), (201, 1552074), (278, 1122183), (402, 776037), (417, 748122), (603, 517358), (834, 374061), (1206, 258679), (1251, 249374), (1861, 167634), (2502, 124687), (3722, 83817), (5583, 55878), (9313, 33498), (11166, 27939), (16749, 18626)]