557142719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{30137}}^1$

素因数の和:30302

約数の個数: 16

約数和(自身を含む): 675091200

約数和(自身を除く): 117948481

約数列:

[1, 7, 19, 133, 139, 973, 2641, 18487, 30137, 210959, 572603, 4008221, 4189043, 29323301, 79591817, 557142719]

約数ペア:

[(1, 557142719), (7, 79591817), (19, 29323301), (133, 4189043), (139, 4008221), (973, 572603), (2641, 210959), (18487, 30137)]