28915705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 43190784

約数和(自身を除く): 14275079

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 455, 515, 617, 721, 1339, 3085, 3605, 4319, 6695, 8021, 9373, 21595, 40105, 46865, 56147, 63551, 280735, 317755, 444857, 826163, 2224285, 4130815, 5783141, 28915705]

約数ペア:

[(1, 28915705), (5, 5783141), (7, 4130815), (13, 2224285), (35, 826163), (65, 444857), (91, 317755), (103, 280735), (455, 63551), (515, 56147), (617, 46865), (721, 40105), (1339, 21595), (3085, 9373), (3605, 8021), (4319, 6695)]