217770119

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 270167040

約数和(自身を除く): 52396921

約数列:

[1, 7, 17, 103, 109, 119, 163, 721, 763, 1141, 1751, 1853, 2771, 11227, 12257, 12971, 16789, 17767, 19397, 78589, 117523, 124369, 190859, 285413, 302039, 1336013, 1830001, 1997891, 2114273, 12810007, 31110017, 217770119]

約数ペア:

[(1, 217770119), (7, 31110017), (17, 12810007), (103, 2114273), (109, 1997891), (119, 1830001), (163, 1336013), (721, 302039), (763, 285413), (1141, 190859), (1751, 124369), (1853, 117523), (2771, 78589), (11227, 19397), (12257, 17767), (12971, 16789)]