213072488

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{32441}}^1$

素因数の和:33268

約数の個数: 16

約数和(自身を含む): 400009860

約数和(自身を除く): 186937372

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 32441, 64882, 129764, 259528, 26634061, 53268122, 106536244, 213072488]

約数ペア:

[(1, 213072488), (2, 106536244), (4, 53268122), (8, 26634061), (821, 259528), (1642, 129764), (3284, 64882), (6568, 32441)]