28689726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9941}}^1$

素因数の和:9996

約数の個数: 32

約数和(自身を含む): 63469728

約数和(自身を除く): 34780002

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 9941, 19882, 29823, 59646, 129233, 258466, 367817, 387699, 735634, 775398, 1103451, 2206902, 4781621, 9563242, 14344863, 28689726]

約数ペア:

[(1, 28689726), (2, 14344863), (3, 9563242), (6, 4781621), (13, 2206902), (26, 1103451), (37, 775398), (39, 735634), (74, 387699), (78, 367817), (111, 258466), (222, 129233), (481, 59646), (962, 29823), (1443, 19882), (2886, 9941)]