28165690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 60279552

約数和(自身を除く): 32113862

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 1223, 1645, 2303, 2446, 3290, 4606, 6115, 8561, 11515, 12230, 17122, 23030, 42805, 57481, 59927, 85610, 114962, 119854, 287405, 299635, 402367, 574810, 599270, 804734, 2011835, 2816569, 4023670, 5633138, 14082845, 28165690]

約数ペア:

[(1, 28165690), (2, 14082845), (5, 5633138), (7, 4023670), (10, 2816569), (14, 2011835), (35, 804734), (47, 599270), (49, 574810), (70, 402367), (94, 299635), (98, 287405), (235, 119854), (245, 114962), (329, 85610), (470, 59927), (490, 57481), (658, 42805), (1223, 23030), (1645, 17122), (2303, 12230), (2446, 11515), (3290, 8561), (4606, 6115)]