68390455

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 96565248

約数和(自身を除く): 28174793

約数列:

[1, 5, 7, 35, 61, 103, 305, 311, 427, 515, 721, 1555, 2135, 2177, 3605, 6283, 10885, 18971, 31415, 32033, 43981, 94855, 132797, 160165, 219905, 224231, 663985, 1121155, 1954013, 9770065, 13678091, 68390455]

約数ペア:

[(1, 68390455), (5, 13678091), (7, 9770065), (35, 1954013), (61, 1121155), (103, 663985), (305, 224231), (311, 219905), (427, 160165), (515, 132797), (721, 94855), (1555, 43981), (2135, 32033), (2177, 31415), (3605, 18971), (6283, 10885)]