66921878

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{3181}}^1$

素因数の和:3407

約数の個数: 16

約数和(自身を含む): 102562224

約数和(自身を除く): 35640346

約数列:

[1, 2, 67, 134, 157, 314, 3181, 6362, 10519, 21038, 213127, 426254, 499417, 998834, 33460939, 66921878]

約数ペア:

[(1, 66921878), (2, 33460939), (67, 998834), (134, 499417), (157, 426254), (314, 213127), (3181, 21038), (6362, 10519)]