2019901555

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{3253}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 2813330304

約数和(自身を除く): 793428749

約数列:

[1, 5, 7, 35, 113, 157, 565, 785, 791, 1099, 3253, 3955, 5495, 16265, 17741, 22771, 88705, 113855, 124187, 367589, 510721, 620935, 1837945, 2553605, 2573123, 3575047, 12865615, 17875235, 57711473, 288557365, 403980311, 2019901555]

約数ペア:

[(1, 2019901555), (5, 403980311), (7, 288557365), (35, 57711473), (113, 17875235), (157, 12865615), (565, 3575047), (785, 2573123), (791, 2553605), (1099, 1837945), (3253, 620935), (3955, 510721), (5495, 367589), (16265, 124187), (17741, 113855), (22771, 88705)]