643448156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{83047}}^1$

素因数の和:83213

約数の個数: 24

約数和(自身を含む): 1220805600

約数和(自身を除く): 577357444

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 83047, 166094, 332188, 1079611, 2159222, 4318444, 12374003, 24748006, 49496012, 160862039, 321724078, 643448156]

約数ペア:

[(1, 643448156), (2, 321724078), (4, 160862039), (13, 49496012), (26, 24748006), (52, 12374003), (149, 4318444), (298, 2159222), (596, 1079611), (1937, 332188), (3874, 166094), (7748, 83047)]