80997455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2083}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 122439168

約数和(自身を除く): 41441713

約数列:

[1, 5, 7, 11, 35, 55, 77, 101, 385, 505, 707, 1111, 2083, 3535, 5555, 7777, 10415, 14581, 22913, 38885, 72905, 114565, 160391, 210383, 801955, 1051915, 1472681, 2314213, 7363405, 11571065, 16199491, 80997455]

約数ペア:

[(1, 80997455), (5, 16199491), (7, 11571065), (11, 7363405), (35, 2314213), (55, 1472681), (77, 1051915), (101, 801955), (385, 210383), (505, 160391), (707, 114565), (1111, 72905), (2083, 38885), (3535, 22913), (5555, 14581), (7777, 10415)]