28213514

素因数分解:

$2^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1291}}^1$

素因数の和:1530

約数の個数: 24

約数和(自身を含む): 49488768

約数和(自身を除く): 21275254

約数列:

[1, 2, 7, 14, 49, 98, 223, 446, 1291, 1561, 2582, 3122, 9037, 10927, 18074, 21854, 63259, 126518, 287893, 575786, 2015251, 4030502, 14106757, 28213514]

約数ペア:

[(1, 28213514), (2, 14106757), (7, 4030502), (14, 2015251), (49, 575786), (98, 287893), (223, 126518), (446, 63259), (1291, 21854), (1561, 18074), (2582, 10927), (3122, 9037)]