16979725

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 24935904

約数和(自身を除く): 7956179

約数列:

[1, 5, 7, 25, 35, 49, 83, 167, 175, 245, 415, 581, 835, 1169, 1225, 2075, 2905, 4067, 4175, 5845, 8183, 13861, 14525, 20335, 29225, 40915, 69305, 97027, 101675, 204575, 346525, 485135, 679189, 2425675, 3395945, 16979725]

約数ペア:

[(1, 16979725), (5, 3395945), (7, 2425675), (25, 679189), (35, 485135), (49, 346525), (83, 204575), (167, 101675), (175, 97027), (245, 69305), (415, 40915), (581, 29225), (835, 20335), (1169, 14525), (1225, 13861), (2075, 8183), (2905, 5845), (4067, 4175)]