1981902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25409}}^1$

素因数の和:25427

約数の個数: 16

約数和(自身を含む): 4268880

約数和(自身を除く): 2286978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 25409, 50818, 76227, 152454, 330317, 660634, 990951, 1981902]

約数ペア:

[(1, 1981902), (2, 990951), (3, 660634), (6, 330317), (13, 152454), (26, 76227), (39, 50818), (78, 25409)]