81256502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{25763}}^1$

素因数の和:25867

約数の個数: 16

約数和(自身を含む): 129850560

約数和(自身を除く): 48594058

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 25763, 51526, 489497, 978994, 2138329, 4276658, 40628251, 81256502]

約数ペア:

[(1, 81256502), (2, 40628251), (19, 4276658), (38, 2138329), (83, 978994), (166, 489497), (1577, 51526), (3154, 25763)]