138844592

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{201809}}^1$

素因数の和:201860

約数の個数: 20

約数和(自身を含む): 275268840

約数和(自身を除く): 136424248

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 201809, 403618, 807236, 1614472, 3228944, 8677787, 17355574, 34711148, 69422296, 138844592]

約数ペア:

[(1, 138844592), (2, 69422296), (4, 34711148), (8, 17355574), (16, 8677787), (43, 3228944), (86, 1614472), (172, 807236), (344, 403618), (688, 201809)]