289905128

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{243209}}^1$

素因数の和:243364

約数の個数: 16

約数和(自身を含む): 547222500

約数和(自身を除く): 257317372

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 243209, 486418, 972836, 1945672, 36238141, 72476282, 144952564, 289905128]

約数ペア:

[(1, 289905128), (2, 144952564), (4, 72476282), (8, 36238141), (149, 1945672), (298, 972836), (596, 486418), (1192, 243209)]