28481570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 58501440

約数和(自身を除く): 30019870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 845, 887, 1235, 1690, 1774, 2470, 3211, 4435, 6422, 8870, 11531, 16055, 16853, 23062, 32110, 33706, 57655, 84265, 115310, 149903, 168530, 219089, 299806, 438178, 749515, 1095445, 1499030, 2190890, 2848157, 5696314, 14240785, 28481570]

約数ペア:

[(1, 28481570), (2, 14240785), (5, 5696314), (10, 2848157), (13, 2190890), (19, 1499030), (26, 1095445), (38, 749515), (65, 438178), (95, 299806), (130, 219089), (169, 168530), (190, 149903), (247, 115310), (338, 84265), (494, 57655), (845, 33706), (887, 32110), (1235, 23062), (1690, 16853), (1774, 16055), (2470, 11531), (3211, 8870), (4435, 6422)]