644271719

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{7621}}^1$

素因数の和:8570

約数の個数: 16

約数和(自身を含む): 793907520

約数和(自身を除く): 149635801

約数列:

[1, 7, 13, 91, 929, 6503, 7621, 12077, 53347, 84539, 99073, 693511, 7079909, 49559363, 92038817, 644271719]

約数ペア:

[(1, 644271719), (7, 92038817), (13, 49559363), (91, 7079909), (929, 693511), (6503, 99073), (7621, 84539), (12077, 53347)]