209438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 16

約数和(自身を含む): 341280

約数和(自身を除く): 131842

約数列:

[1, 2, 23, 29, 46, 58, 157, 314, 667, 1334, 3611, 4553, 7222, 9106, 104719, 209438]

約数ペア:

[(1, 209438), (2, 104719), (23, 9106), (29, 7222), (46, 4553), (58, 3611), (157, 1334), (314, 667)]