12812991385

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1\times {\mathrm{41039}}^1$

素因数の和:42608

約数の個数: 16

約数和(自身を含む): 15761329920

約数和(自身を除く): 2948338535

約数列:

[1, 5, 41, 205, 1523, 7615, 41039, 62443, 205195, 312215, 1682599, 8412995, 62502397, 312511985, 2562598277, 12812991385]

約数ペア:

[(1, 12812991385), (5, 2562598277), (41, 312511985), (205, 62502397), (1523, 8412995), (7615, 1682599), (41039, 312215), (62443, 205195)]