12995788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 24590160

約数和(自身を除く): 11594372

約数列:

[1, 2, 4, 13, 26, 52, 491, 509, 982, 1018, 1964, 2036, 6383, 6617, 12766, 13234, 25532, 26468, 249919, 499838, 999676, 3248947, 6497894, 12995788]

約数ペア:

[(1, 12995788), (2, 6497894), (4, 3248947), (13, 999676), (26, 499838), (52, 249919), (491, 26468), (509, 25532), (982, 13234), (1018, 12766), (1964, 6617), (2036, 6383)]