31221446

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 50118264

約数和(自身を除く): 18896818

約数列:

[1, 2, 19, 38, 83, 166, 361, 521, 722, 1042, 1577, 3154, 9899, 19798, 29963, 43243, 59926, 86486, 188081, 376162, 821617, 1643234, 15610723, 31221446]

約数ペア:

[(1, 31221446), (2, 15610723), (19, 1643234), (38, 821617), (83, 376162), (166, 188081), (361, 86486), (521, 59926), (722, 43243), (1042, 29963), (1577, 19798), (3154, 9899)]