12920414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7417}}^1$

素因数の和:7499

約数の個数: 16

約数和(自身を含む): 21185808

約数和(自身を除く): 8265394

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 7417, 14834, 96421, 192842, 496939, 993878, 6460207, 12920414]

約数ペア:

[(1, 12920414), (2, 6460207), (13, 993878), (26, 496939), (67, 192842), (134, 96421), (871, 14834), (1742, 7417)]