12995918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9431}}^1$

素因数の和:9499

約数の個数: 16

約数和(自身を含む): 21391776

約数和(自身を除く): 8395858

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 9431, 18862, 122603, 245206, 499843, 999686, 6497959, 12995918]

約数ペア:

[(1, 12995918), (2, 6497959), (13, 999686), (26, 499843), (53, 245206), (106, 122603), (689, 18862), (1378, 9431)]