172435142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{20149}}^1$

素因数の和:20551

約数の個数: 16

約数和(自身を含む): 282906000

約数和(自身を除く): 110470858

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 20149, 40298, 221639, 443278, 7837961, 15675922, 86217571, 172435142]

約数ペア:

[(1, 172435142), (2, 86217571), (11, 15675922), (22, 7837961), (389, 443278), (778, 221639), (4279, 40298), (8558, 20149)]