421726

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 16

約数和(自身を含む): 670320

約数和(自身を除く): 248594

約数列:

[1, 2, 37, 41, 74, 82, 139, 278, 1517, 3034, 5143, 5699, 10286, 11398, 210863, 421726]

約数ペア:

[(1, 421726), (2, 210863), (37, 11398), (41, 10286), (74, 5699), (82, 5143), (139, 3034), (278, 1517)]