31505838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3037}}^1$

素因数の和:3081

約数の個数: 64

約数和(自身を含む): 81661440

約数和(自身を除く): 50155602

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3037, 3458, 5187, 6074, 9111, 10374, 18222, 21259, 39481, 42518, 57703, 63777, 78962, 115406, 118443, 127554, 173109, 236886, 276367, 346218, 403921, 552734, 750139, 807842, 829101, 1211763, 1500278, 1658202, 2250417, 2423526, 4500834, 5250973, 10501946, 15752919, 31505838]

約数ペア:

[(1, 31505838), (2, 15752919), (3, 10501946), (6, 5250973), (7, 4500834), (13, 2423526), (14, 2250417), (19, 1658202), (21, 1500278), (26, 1211763), (38, 829101), (39, 807842), (42, 750139), (57, 552734), (78, 403921), (91, 346218), (114, 276367), (133, 236886), (182, 173109), (247, 127554), (266, 118443), (273, 115406), (399, 78962), (494, 63777), (546, 57703), (741, 42518), (798, 39481), (1482, 21259), (1729, 18222), (3037, 10374), (3458, 9111), (5187, 6074)]