201399905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{302857}}^1$

素因数の和:302888

約数の個数: 16

約数和(自身を含む): 290743680

約数和(自身を除く): 89343775

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 302857, 1514285, 2119999, 5754283, 10599995, 28771415, 40279981, 201399905]

約数ペア:

[(1, 201399905), (5, 40279981), (7, 28771415), (19, 10599995), (35, 5754283), (95, 2119999), (133, 1514285), (665, 302857)]