1993565

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 2845440

約数和(自身を除く): 851875

約数列:

[1, 5, 7, 35, 49, 79, 103, 245, 395, 515, 553, 721, 2765, 3605, 3871, 5047, 8137, 19355, 25235, 40685, 56959, 284795, 398713, 1993565]

約数ペア:

[(1, 1993565), (5, 398713), (7, 284795), (35, 56959), (49, 40685), (79, 25235), (103, 19355), (245, 8137), (395, 5047), (515, 3871), (553, 3605), (721, 2765)]