81203556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1399}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 217011200

約数和(自身を除く): 135807644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 691, 1382, 1399, 2073, 2764, 2798, 4146, 4197, 4837, 5596, 8292, 8394, 9674, 9793, 14511, 16788, 19348, 19586, 29022, 29379, 39172, 58044, 58758, 117516, 966709, 1933418, 2900127, 3866836, 5800254, 6766963, 11600508, 13533926, 20300889, 27067852, 40601778, 81203556]

約数ペア:

[(1, 81203556), (2, 40601778), (3, 27067852), (4, 20300889), (6, 13533926), (7, 11600508), (12, 6766963), (14, 5800254), (21, 3866836), (28, 2900127), (42, 1933418), (84, 966709), (691, 117516), (1382, 58758), (1399, 58044), (2073, 39172), (2764, 29379), (2798, 29022), (4146, 19586), (4197, 19348), (4837, 16788), (5596, 14511), (8292, 9793), (8394, 9674)]