2643109

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 3447360

約数和(自身を除く): 804251

約数列:

[1, 7, 17, 19, 49, 119, 133, 167, 323, 833, 931, 1169, 2261, 2839, 3173, 8183, 15827, 19873, 22211, 53941, 139111, 155477, 377587, 2643109]

約数ペア:

[(1, 2643109), (7, 377587), (17, 155477), (19, 139111), (49, 53941), (119, 22211), (133, 19873), (167, 15827), (323, 8183), (833, 3173), (931, 2839), (1169, 2261)]