255642815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1481}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 341452800

約数和(自身を除く): 85809985

約数列:

[1, 5, 19, 23, 79, 95, 115, 395, 437, 1481, 1501, 1817, 2185, 7405, 7505, 9085, 28139, 34063, 34523, 116999, 140695, 170315, 172615, 584995, 647197, 2222981, 2690977, 3235985, 11114905, 13454885, 51128563, 255642815]

約数ペア:

[(1, 255642815), (5, 51128563), (19, 13454885), (23, 11114905), (79, 3235985), (95, 2690977), (115, 2222981), (395, 647197), (437, 584995), (1481, 172615), (1501, 170315), (1817, 140695), (2185, 116999), (7405, 34523), (7505, 34063), (9085, 28139)]