16980796

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4363}}^1$

素因数の和:4513

約数の個数: 24

約数和(自身を含む): 34213760

約数和(自身を除く): 17232964

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4363, 8726, 17452, 30541, 61082, 122164, 606457, 1212914, 2425828, 4245199, 8490398, 16980796]

約数ペア:

[(1, 16980796), (2, 8490398), (4, 4245199), (7, 2425828), (14, 1212914), (28, 606457), (139, 122164), (278, 61082), (556, 30541), (973, 17452), (1946, 8726), (3892, 4363)]