138839905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{1861}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 171065664

約数和(自身を除く): 32225759

約数列:

[1, 5, 43, 215, 347, 1735, 1861, 9305, 14921, 74605, 80023, 400115, 645767, 3228835, 27767981, 138839905]

約数ペア:

[(1, 138839905), (5, 27767981), (43, 3228835), (215, 645767), (347, 400115), (1735, 80023), (1861, 74605), (9305, 14921)]