82980961

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 108902880

約数和(自身を除く): 25921919

約数列:

[1, 7, 17, 19, 49, 107, 119, 133, 323, 343, 749, 833, 931, 1819, 2033, 2261, 2401, 5243, 5831, 6517, 12733, 14231, 15827, 34561, 36701, 40817, 45619, 89131, 99617, 110789, 241927, 256907, 623917, 697319, 775523, 1693489, 4367419, 4881233, 11854423, 82980961]

約数ペア:

[(1, 82980961), (7, 11854423), (17, 4881233), (19, 4367419), (49, 1693489), (107, 775523), (119, 697319), (133, 623917), (323, 256907), (343, 241927), (749, 110789), (833, 99617), (931, 89131), (1819, 45619), (2033, 40817), (2261, 36701), (2401, 34561), (5243, 15827), (5831, 14231), (6517, 12733)]