428297681

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{701}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 513939816

約数和(自身を除く): 85642135

約数列:

[1, 7, 37, 49, 259, 337, 701, 1813, 2359, 4907, 12469, 16513, 25937, 34349, 87283, 181559, 236237, 610981, 1270913, 1653659, 8740769, 11575613, 61185383, 428297681]

約数ペア:

[(1, 428297681), (7, 61185383), (37, 11575613), (49, 8740769), (259, 1653659), (337, 1270913), (701, 610981), (1813, 236237), (2359, 181559), (4907, 87283), (12469, 34349), (16513, 25937)]