138984518

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{1721}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 210772800

約数和(自身を除く): 71788282

約数列:

[1, 2, 149, 271, 298, 542, 1721, 3442, 40379, 80758, 256429, 466391, 512858, 932782, 69492259, 138984518]

約数ペア:

[(1, 138984518), (2, 69492259), (149, 932782), (271, 512858), (298, 466391), (542, 256429), (1721, 80758), (3442, 40379)]