157218019

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 202245120

約数和(自身を除く): 45027101

約数列:

[1, 7, 29, 31, 43, 49, 83, 203, 217, 301, 581, 899, 1247, 1333, 1421, 1519, 2107, 2407, 2573, 3569, 4067, 6293, 8729, 9331, 16849, 18011, 24983, 38657, 44051, 61103, 65317, 74617, 103501, 110639, 117943, 126077, 174881, 270599, 522319, 724507, 774473, 1894193, 3208531, 3656233, 5071549, 5421311, 22459717, 157218019]

約数ペア:

[(1, 157218019), (7, 22459717), (29, 5421311), (31, 5071549), (43, 3656233), (49, 3208531), (83, 1894193), (203, 774473), (217, 724507), (301, 522319), (581, 270599), (899, 174881), (1247, 126077), (1333, 117943), (1421, 110639), (1519, 103501), (2107, 74617), (2407, 65317), (2573, 61103), (3569, 44051), (4067, 38657), (6293, 24983), (8729, 18011), (9331, 16849)]