620912138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4031897}}^1$

素因数の和:4031917

約数の個数: 16

約数和(自身を含む): 1161186624

約数和(自身を除く): 540274486

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4031897, 8063794, 28223279, 44350867, 56446558, 88701734, 310456069, 620912138]

約数ペア:

[(1, 620912138), (2, 310456069), (7, 88701734), (11, 56446558), (14, 44350867), (22, 28223279), (77, 8063794), (154, 4031897)]