40556906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 72009000

約数和(自身を除く): 31452094

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 149, 247, 298, 361, 377, 494, 551, 722, 754, 1102, 1937, 2831, 3874, 4321, 4693, 5662, 7163, 8642, 9386, 10469, 14326, 20938, 36803, 53789, 56173, 73606, 82099, 107578, 112346, 136097, 164198, 272194, 699257, 1067287, 1398514, 1559881, 2134574, 3119762, 20278453, 40556906]

約数ペア:

[(1, 40556906), (2, 20278453), (13, 3119762), (19, 2134574), (26, 1559881), (29, 1398514), (38, 1067287), (58, 699257), (149, 272194), (247, 164198), (298, 136097), (361, 112346), (377, 107578), (494, 82099), (551, 73606), (722, 56173), (754, 53789), (1102, 36803), (1937, 20938), (2831, 14326), (3874, 10469), (4321, 9386), (4693, 8642), (5662, 7163)]