163398956

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157721}}^1$

素因数の和:157769

約数の個数: 24

約数和(自身を含む): 335632416

約数和(自身を除く): 172233460

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 157721, 315442, 630884, 1104047, 2208094, 4416188, 5835677, 11671354, 23342708, 40849739, 81699478, 163398956]

約数ペア:

[(1, 163398956), (2, 81699478), (4, 40849739), (7, 23342708), (14, 11671354), (28, 5835677), (37, 4416188), (74, 2208094), (148, 1104047), (259, 630884), (518, 315442), (1036, 157721)]