12785918

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 19602000

約数和(自身を除く): 6816082

約数列:

[1, 2, 89, 109, 178, 218, 659, 1318, 9701, 19402, 58651, 71831, 117302, 143662, 6392959, 12785918]

約数ペア:

[(1, 12785918), (2, 6392959), (89, 143662), (109, 117302), (178, 71831), (218, 58651), (659, 19402), (1318, 9701)]