221467253

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{2971}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 264769536

約数和(自身を除く): 43302283

約数列:

[1, 7, 23, 161, 463, 2971, 3241, 10649, 20797, 68333, 74543, 478331, 1375573, 9629011, 31638179, 221467253]

約数ペア:

[(1, 221467253), (7, 31638179), (23, 9629011), (161, 1375573), (463, 478331), (2971, 74543), (3241, 68333), (10649, 20797)]