81289835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 113467392

約数和(自身を除く): 32177557

約数列:

[1, 5, 11, 17, 55, 85, 187, 227, 383, 935, 1135, 1915, 2497, 3859, 4213, 6511, 12485, 19295, 21065, 32555, 42449, 71621, 86941, 212245, 358105, 434705, 956351, 1477997, 4781755, 7389985, 16257967, 81289835]

約数ペア:

[(1, 81289835), (5, 16257967), (11, 7389985), (17, 4781755), (55, 1477997), (85, 956351), (187, 434705), (227, 358105), (383, 212245), (935, 86941), (1135, 71621), (1915, 42449), (2497, 32555), (3859, 21065), (4213, 19295), (6511, 12485)]