1220582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 16

約数和(自身を含む): 2019600

約数和(自身を除く): 799018

約数列:

[1, 2, 11, 22, 109, 218, 509, 1018, 1199, 2398, 5599, 11198, 55481, 110962, 610291, 1220582]

約数ペア:

[(1, 1220582), (2, 610291), (11, 110962), (22, 55481), (109, 11198), (218, 5599), (509, 2398), (1018, 1199)]