212235317

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 252806400

約数和(自身を除く): 40571083

約数列:

[1, 7, 49, 79, 109, 503, 553, 763, 3521, 3871, 5341, 8611, 24647, 39737, 54827, 60277, 278159, 383789, 421939, 1947113, 2686523, 4331333, 30319331, 212235317]

約数ペア:

[(1, 212235317), (7, 30319331), (49, 4331333), (79, 2686523), (109, 1947113), (503, 421939), (553, 383789), (763, 278159), (3521, 60277), (3871, 54827), (5341, 39737), (8611, 24647)]