72720004

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{23827}}^1$

素因数の和:23947

約数の個数: 24

約数和(自身を含む): 146780480

約数和(自身を除く): 74060476

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 23827, 47654, 95308, 166789, 333578, 667156, 2597143, 5194286, 10388572, 18180001, 36360002, 72720004]

約数ペア:

[(1, 72720004), (2, 36360002), (4, 18180001), (7, 10388572), (14, 5194286), (28, 2597143), (109, 667156), (218, 333578), (436, 166789), (763, 95308), (1526, 47654), (3052, 23827)]