16890790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{34471}}^1$

素因数の和:34492

約数の個数: 24

約数和(自身を含む): 35368272

約数和(自身を除く): 18477482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 34471, 68942, 172355, 241297, 344710, 482594, 1206485, 1689079, 2412970, 3378158, 8445395, 16890790]

約数ペア:

[(1, 16890790), (2, 8445395), (5, 3378158), (7, 2412970), (10, 1689079), (14, 1206485), (35, 482594), (49, 344710), (70, 241297), (98, 172355), (245, 68942), (490, 34471)]