205952972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{599}}^1\times {\mathrm{1999}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 369600000

約数和(自身を除く): 163647028

約数列:

[1, 2, 4, 43, 86, 172, 599, 1198, 1999, 2396, 3998, 7996, 25757, 51514, 85957, 103028, 171914, 343828, 1197401, 2394802, 4789604, 51488243, 102976486, 205952972]

約数ペア:

[(1, 205952972), (2, 102976486), (4, 51488243), (43, 4789604), (86, 2394802), (172, 1197401), (599, 343828), (1198, 171914), (1999, 103028), (2396, 85957), (3998, 51514), (7996, 25757)]