81379788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138401}}^1$

素因数の和:138422

約数の個数: 36

約数和(自身を含む): 220889592

約数和(自身を除く): 139509804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138401, 276802, 415203, 553604, 830406, 968807, 1660812, 1937614, 2906421, 3875228, 5812842, 6781649, 11625684, 13563298, 20344947, 27126596, 40689894, 81379788]

約数ペア:

[(1, 81379788), (2, 40689894), (3, 27126596), (4, 20344947), (6, 13563298), (7, 11625684), (12, 6781649), (14, 5812842), (21, 3875228), (28, 2906421), (42, 1937614), (49, 1660812), (84, 968807), (98, 830406), (147, 553604), (196, 415203), (294, 276802), (588, 138401)]