81213782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 139007232

約数和(自身を除く): 57793450

約数列:

[1, 2, 13, 23, 26, 46, 67, 134, 299, 598, 871, 1541, 1742, 2027, 3082, 4054, 20033, 26351, 40066, 46621, 52702, 93242, 135809, 271618, 606073, 1212146, 1765517, 3123607, 3531034, 6247214, 40606891, 81213782]

約数ペア:

[(1, 81213782), (2, 40606891), (13, 6247214), (23, 3531034), (26, 3123607), (46, 1765517), (67, 1212146), (134, 606073), (299, 271618), (598, 135809), (871, 93242), (1541, 52702), (1742, 46621), (2027, 40066), (3082, 26351), (4054, 20033)]