12931345

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 18451584

約数和(自身を除く): 5520239

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1123, 1645, 2303, 5615, 7861, 11515, 39305, 52781, 55027, 263905, 275135, 369467, 1847335, 2586269, 12931345]

約数ペア:

[(1, 12931345), (5, 2586269), (7, 1847335), (35, 369467), (47, 275135), (49, 263905), (235, 55027), (245, 52781), (329, 39305), (1123, 11515), (1645, 7861), (2303, 5615)]