13891220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{99223}}^1$

素因数の和:99239

約数の個数: 24

約数和(自身を含む): 33339264

約数和(自身を除く): 19448044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 99223, 198446, 396892, 496115, 694561, 992230, 1389122, 1984460, 2778244, 3472805, 6945610, 13891220]

約数ペア:

[(1, 13891220), (2, 6945610), (4, 3472805), (5, 2778244), (7, 1984460), (10, 1389122), (14, 992230), (20, 694561), (28, 496115), (35, 396892), (70, 198446), (140, 99223)]