420555877

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1613}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 519972696

約数和(自身を除く): 99416819

約数列:

[1, 7, 17, 49, 119, 313, 833, 1613, 2191, 5321, 11291, 15337, 27421, 37247, 79037, 191947, 260729, 504869, 1343629, 3534083, 8582773, 24738581, 60079411, 420555877]

約数ペア:

[(1, 420555877), (7, 60079411), (17, 24738581), (49, 8582773), (119, 3534083), (313, 1343629), (833, 504869), (1613, 260729), (2191, 191947), (5321, 79037), (11291, 37247), (15337, 27421)]