71398537

素因数分解:

$7^4\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 20

約数和(自身を含む): 84298896

約数和(自身を除く): 12900359

約数列:

[1, 7, 49, 131, 227, 343, 917, 1589, 2401, 6419, 11123, 29737, 44933, 77861, 208159, 314531, 545027, 1457113, 10199791, 71398537]

約数ペア:

[(1, 71398537), (7, 10199791), (49, 1457113), (131, 545027), (227, 314531), (343, 208159), (917, 77861), (1589, 44933), (2401, 29737), (6419, 11123)]