83690590

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 153256896

約数和(自身を除く): 69566306

約数列:

[1, 2, 5, 10, 103, 193, 206, 386, 421, 515, 842, 965, 1030, 1930, 2105, 4210, 19879, 39758, 43363, 81253, 86726, 99395, 162506, 198790, 216815, 406265, 433630, 812530, 8369059, 16738118, 41845295, 83690590]

約数ペア:

[(1, 83690590), (2, 41845295), (5, 16738118), (10, 8369059), (103, 812530), (193, 433630), (206, 406265), (386, 216815), (421, 198790), (515, 162506), (842, 99395), (965, 86726), (1030, 81253), (1930, 43363), (2105, 39758), (4210, 19879)]