12643675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 17856000

約数和(自身を除く): 5212325

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 1999, 6325, 9995, 21989, 45977, 49975, 109945, 229885, 505747, 549725, 1149425, 2528735, 12643675]

約数ペア:

[(1, 12643675), (5, 2528735), (11, 1149425), (23, 549725), (25, 505747), (55, 229885), (115, 109945), (253, 49975), (275, 45977), (575, 21989), (1265, 9995), (1999, 6325)]