64351945

素因数分解:

$5^1\times 7^3\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 91008000

約数和(自身を除く): 26656055

約数列:

[1, 5, 7, 35, 49, 157, 239, 245, 343, 785, 1099, 1195, 1673, 1715, 5495, 7693, 8365, 11711, 37523, 38465, 53851, 58555, 81977, 187615, 262661, 269255, 409885, 1313305, 1838627, 9193135, 12870389, 64351945]

約数ペア:

[(1, 64351945), (5, 12870389), (7, 9193135), (35, 1838627), (49, 1313305), (157, 409885), (239, 269255), (245, 262661), (343, 187615), (785, 81977), (1099, 58555), (1195, 53851), (1673, 38465), (1715, 37523), (5495, 11711), (7693, 8365)]