337808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 20

約数和(自身を含む): 671088

約数和(自身を除く): 333280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 491, 688, 982, 1964, 3928, 7856, 21113, 42226, 84452, 168904, 337808]

約数ペア:

[(1, 337808), (2, 168904), (4, 84452), (8, 42226), (16, 21113), (43, 7856), (86, 3928), (172, 1964), (344, 982), (491, 688)]