39697255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 52176960

約数和(自身を除く): 12479705

約数列:

[1, 5, 13, 65, 109, 169, 431, 545, 845, 1417, 2155, 5603, 7085, 18421, 28015, 46979, 72839, 92105, 234895, 364195, 610727, 3053635, 7939451, 39697255]

約数ペア:

[(1, 39697255), (5, 7939451), (13, 3053635), (65, 610727), (109, 364195), (169, 234895), (431, 92105), (545, 72839), (845, 46979), (1417, 28015), (2155, 18421), (5603, 7085)]