81651248

素因数分解:

$2^4\times 7^2\times {\mathrm{104147}}^1$

素因数の和:104169

約数の個数: 30

約数和(自身を含む): 184029516

約数和(自身を除く): 102378268

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 104147, 208294, 416588, 729029, 833176, 1458058, 1666352, 2916116, 5103203, 5832232, 10206406, 11664464, 20412812, 40825624, 81651248]

約数ペア:

[(1, 81651248), (2, 40825624), (4, 20412812), (7, 11664464), (8, 10206406), (14, 5832232), (16, 5103203), (28, 2916116), (49, 1666352), (56, 1458058), (98, 833176), (112, 729029), (196, 416588), (392, 208294), (784, 104147)]