215513922

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4691}}^1$

素因数の和:4759

約数の個数: 64

約数和(自身を含む): 504483840

約数和(自身を除く): 288969918

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 494, 589, 741, 806, 1178, 1209, 1482, 1767, 2418, 3534, 4691, 7657, 9382, 14073, 15314, 22971, 28146, 45942, 60983, 89129, 121966, 145421, 178258, 182949, 267387, 290842, 365898, 436263, 534774, 872526, 1158677, 1890473, 2317354, 2762999, 3476031, 3780946, 5525998, 5671419, 6952062, 8288997, 11342838, 16577994, 35918987, 71837974, 107756961, 215513922]

約数ペア:

[(1, 215513922), (2, 107756961), (3, 71837974), (6, 35918987), (13, 16577994), (19, 11342838), (26, 8288997), (31, 6952062), (38, 5671419), (39, 5525998), (57, 3780946), (62, 3476031), (78, 2762999), (93, 2317354), (114, 1890473), (186, 1158677), (247, 872526), (403, 534774), (494, 436263), (589, 365898), (741, 290842), (806, 267387), (1178, 182949), (1209, 178258), (1482, 145421), (1767, 121966), (2418, 89129), (3534, 60983), (4691, 45942), (7657, 28146), (9382, 22971), (14073, 15314)]