17920402549

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{1193}}^1\times {\mathrm{7477}}^1$

素因数の和:8725

約数の個数: 24

約数和(自身を含む): 21375384408

約数和(自身を除く): 3454981859

約数列:

[1, 7, 41, 49, 287, 1193, 2009, 7477, 8351, 48913, 52339, 58457, 306557, 342391, 366373, 2145899, 2396737, 8920061, 15021293, 62440427, 365722501, 437082989, 2560057507, 17920402549]

約数ペア:

[(1, 17920402549), (7, 2560057507), (41, 437082989), (49, 365722501), (287, 62440427), (1193, 15021293), (2009, 8920061), (7477, 2396737), (8351, 2145899), (48913, 366373), (52339, 342391), (58457, 306557)]