31286486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 62401536

約数和(自身を除く): 31115050

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 73, 77, 121, 146, 154, 161, 242, 253, 322, 506, 511, 803, 847, 1022, 1331, 1606, 1679, 1694, 1771, 2662, 2783, 3358, 3542, 5566, 5621, 8833, 9317, 11242, 11753, 17666, 18469, 18634, 19481, 23506, 30613, 36938, 38962, 61226, 61831, 97163, 123662, 129283, 194326, 203159, 214291, 258566, 406318, 428582, 680141, 1360282, 1422113, 2234749, 2844226, 4469498, 15643243, 31286486]

約数ペア:

[(1, 31286486), (2, 15643243), (7, 4469498), (11, 2844226), (14, 2234749), (22, 1422113), (23, 1360282), (46, 680141), (73, 428582), (77, 406318), (121, 258566), (146, 214291), (154, 203159), (161, 194326), (242, 129283), (253, 123662), (322, 97163), (506, 61831), (511, 61226), (803, 38962), (847, 36938), (1022, 30613), (1331, 23506), (1606, 19481), (1679, 18634), (1694, 18469), (1771, 17666), (2662, 11753), (2783, 11242), (3358, 9317), (3542, 8833), (5566, 5621)]