12746825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 19605888

約数和(自身を除く): 6859063

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 325, 431, 455, 845, 1183, 2155, 2275, 3017, 4225, 5603, 5915, 10775, 15085, 28015, 29575, 39221, 72839, 75425, 140075, 196105, 364195, 509873, 980525, 1820975, 2549365, 12746825]

約数ペア:

[(1, 12746825), (5, 2549365), (7, 1820975), (13, 980525), (25, 509873), (35, 364195), (65, 196105), (91, 140075), (169, 75425), (175, 72839), (325, 39221), (431, 29575), (455, 28015), (845, 15085), (1183, 10775), (2155, 5915), (2275, 5603), (3017, 4225)]