642387358

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{1489}}^1\times {\mathrm{1979}}^1$

素因数の和:3579

約数の個数: 16

約数和(自身を含む): 973566000

約数和(自身を除く): 331178642

約数列:

[1, 2, 109, 218, 1489, 1979, 2978, 3958, 162301, 215711, 324602, 431422, 2946731, 5893462, 321193679, 642387358]

約数ペア:

[(1, 642387358), (2, 321193679), (109, 5893462), (218, 2946731), (1489, 431422), (1979, 324602), (2978, 215711), (3958, 162301)]