1663409072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7997159}}^1$

素因数の和:7997180

約数の個数: 20

約数和(自身を含む): 3470767440

約数和(自身を除く): 1807358368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7997159, 15994318, 31988636, 63977272, 103963067, 127954544, 207926134, 415852268, 831704536, 1663409072]

約数ペア:

[(1, 1663409072), (2, 831704536), (4, 415852268), (8, 207926134), (13, 127954544), (16, 103963067), (26, 63977272), (52, 31988636), (104, 15994318), (208, 7997159)]