65779870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{38923}}^1$

素因数の和:38956

約数の個数: 24

約数和(自身を含む): 128215656

約数和(自身を除く): 62435786

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 38923, 77846, 194615, 389230, 505999, 1011998, 2529995, 5059990, 6577987, 13155974, 32889935, 65779870]

約数ペア:

[(1, 65779870), (2, 32889935), (5, 13155974), (10, 6577987), (13, 5059990), (26, 2529995), (65, 1011998), (130, 505999), (169, 389230), (338, 194615), (845, 77846), (1690, 38923)]