31388903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 9253657

約数列:

[1, 7, 13, 41, 47, 91, 179, 287, 329, 533, 611, 1253, 1927, 2327, 3731, 4277, 7339, 8413, 13489, 16289, 25051, 51373, 58891, 95407, 109369, 175357, 344933, 667849, 765583, 2414531, 4484129, 31388903]

約数ペア:

[(1, 31388903), (7, 4484129), (13, 2414531), (41, 765583), (47, 667849), (91, 344933), (179, 175357), (287, 109369), (329, 95407), (533, 58891), (611, 51373), (1253, 25051), (1927, 16289), (2327, 13489), (3731, 8413), (4277, 7339)]