664573

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 837760

約数和(自身を除く): 173187

約数列:

[1, 7, 13, 67, 91, 109, 469, 763, 871, 1417, 6097, 7303, 9919, 51121, 94939, 664573]

約数ペア:

[(1, 664573), (7, 94939), (13, 51121), (67, 9919), (91, 7303), (109, 6097), (469, 1417), (763, 871)]