42536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 86100

約数和(自身を除く): 43564

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 5317, 10634, 21268, 42536]

約数ペア:

[(1, 42536), (2, 21268), (4, 10634), (8, 5317), (13, 3272), (26, 1636), (52, 818), (104, 409)]