289206530

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{21893}}^1$

素因数の和:23221

約数の個数: 16

約数和(自身を含む): 520989624

約数和(自身を除く): 231783094

約数列:

[1, 2, 5, 10, 1321, 2642, 6605, 13210, 21893, 43786, 109465, 218930, 28920653, 57841306, 144603265, 289206530]

約数ペア:

[(1, 289206530), (2, 144603265), (5, 57841306), (10, 28920653), (1321, 218930), (2642, 109465), (6605, 43786), (13210, 21893)]