40689402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521659}}^1$

素因数の和:521677

約数の個数: 16

約数和(自身を含む): 87638880

約数和(自身を除く): 46949478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 521659, 1043318, 1564977, 3129954, 6781567, 13563134, 20344701, 40689402]

約数ペア:

[(1, 40689402), (2, 20344701), (3, 13563134), (6, 6781567), (13, 3129954), (26, 1564977), (39, 1043318), (78, 521659)]