68905070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1259}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 133993440

約数和(自身を除く): 65088370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 842, 1259, 2105, 2518, 4210, 5473, 6295, 10946, 12590, 16367, 27365, 32734, 54730, 81835, 163670, 530039, 1060078, 2650195, 5300390, 6890507, 13781014, 34452535, 68905070]

約数ペア:

[(1, 68905070), (2, 34452535), (5, 13781014), (10, 6890507), (13, 5300390), (26, 2650195), (65, 1060078), (130, 530039), (421, 163670), (842, 81835), (1259, 54730), (2105, 32734), (2518, 27365), (4210, 16367), (5473, 12590), (6295, 10946)]