12620783

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 15800400

約数和(自身を除く): 3179617

約数列:

[1, 7, 17, 49, 109, 119, 139, 763, 833, 973, 1853, 2363, 5341, 6811, 12971, 15151, 16541, 90797, 106057, 115787, 257567, 742399, 1802969, 12620783]

約数ペア:

[(1, 12620783), (7, 1802969), (17, 742399), (49, 257567), (109, 115787), (119, 106057), (139, 90797), (763, 16541), (833, 15151), (973, 12971), (1853, 6811), (2363, 5341)]