785628

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 2012920

約数和(自身を除く): 1227292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 157, 278, 314, 417, 471, 556, 628, 834, 942, 1251, 1413, 1668, 1884, 2502, 2826, 5004, 5652, 21823, 43646, 65469, 87292, 130938, 196407, 261876, 392814, 785628]

約数ペア:

[(1, 785628), (2, 392814), (3, 261876), (4, 196407), (6, 130938), (9, 87292), (12, 65469), (18, 43646), (36, 21823), (139, 5652), (157, 5004), (278, 2826), (314, 2502), (417, 1884), (471, 1668), (556, 1413), (628, 1251), (834, 942)]