647593129

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 704265408

約数和(自身を除く): 56672279

約数列:

[1, 23, 37, 131, 157, 851, 1369, 3013, 3611, 4847, 5809, 20567, 31487, 111481, 133607, 179339, 214933, 473041, 760979, 4124797, 4943459, 17502517, 28156223, 647593129]

約数ペア:

[(1, 647593129), (23, 28156223), (37, 17502517), (131, 4943459), (157, 4124797), (851, 760979), (1369, 473041), (3013, 214933), (3611, 179339), (4847, 133607), (5809, 111481), (20567, 31487)]