72404558

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{1669}}^1$

素因数の和:1979

約数の個数: 16

約数和(自身を含む): 110220000

約数和(自身を除く): 37815442

約数列:

[1, 2, 109, 199, 218, 398, 1669, 3338, 21691, 43382, 181921, 332131, 363842, 664262, 36202279, 72404558]

約数ペア:

[(1, 72404558), (2, 36202279), (109, 664262), (199, 363842), (218, 332131), (398, 181921), (1669, 43382), (3338, 21691)]