7857392

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{3533}}^1$

素因数の和:3680

約数の個数: 20

約数和(自身を含む): 15337560

約数和(自身を除く): 7480168

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 3533, 7066, 14132, 28264, 56528, 491087, 982174, 1964348, 3928696, 7857392]

約数ペア:

[(1, 7857392), (2, 3928696), (4, 1964348), (8, 982174), (16, 491087), (139, 56528), (278, 28264), (556, 14132), (1112, 7066), (2224, 3533)]