289300784

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{121351}}^1$

素因数の和:121508

約数の個数: 20

約数和(自身を含む): 564286800

約数和(自身を除く): 274986016

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 121351, 242702, 485404, 970808, 1941616, 18081299, 36162598, 72325196, 144650392, 289300784]

約数ペア:

[(1, 289300784), (2, 144650392), (4, 72325196), (8, 36162598), (16, 18081299), (149, 1941616), (298, 970808), (596, 485404), (1192, 242702), (2384, 121351)]