201990318481

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1\times {\mathrm{357139}}^1$

素因数の和:359068

約数の個数: 16

約数和(自身を含む): 236340966400

約数和(自身を除く): 34350647919

約数列:

[1, 7, 43, 301, 1879, 13153, 80797, 357139, 565579, 2499973, 15356977, 107498839, 671064181, 4697449267, 28855759783, 201990318481]

約数ペア:

[(1, 201990318481), (7, 28855759783), (43, 4697449267), (301, 671064181), (1879, 107498839), (13153, 15356977), (80797, 2499973), (357139, 565579)]