289789552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1393219}}^1$

素因数の和:1393240

約数の個数: 20

約数和(自身を含む): 604657480

約数和(自身を除く): 314867928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1393219, 2786438, 5572876, 11145752, 18111847, 22291504, 36223694, 72447388, 144894776, 289789552]

約数ペア:

[(1, 289789552), (2, 144894776), (4, 72447388), (8, 36223694), (13, 22291504), (16, 18111847), (26, 11145752), (52, 5572876), (104, 2786438), (208, 1393219)]