289916624

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{138319}}^1$

素因数の和:138458

約数の個数: 20

約数和(自身を含む): 566005440

約数和(自身を除く): 276088816

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 138319, 276638, 553276, 1106552, 2213104, 18119789, 36239578, 72479156, 144958312, 289916624]

約数ペア:

[(1, 289916624), (2, 144958312), (4, 72479156), (8, 36239578), (16, 18119789), (131, 2213104), (262, 1106552), (524, 553276), (1048, 276638), (2096, 138319)]