81309732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22511}}^1$

素因数の和:22568

約数の個数: 48

約数和(自身を含む): 221878272

約数和(自身を除く): 140568540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 22511, 45022, 67533, 90044, 135066, 157577, 270132, 315154, 472731, 630308, 945462, 967973, 1890924, 1935946, 2903919, 3871892, 5807838, 6775811, 11615676, 13551622, 20327433, 27103244, 40654866, 81309732]

約数ペア:

[(1, 81309732), (2, 40654866), (3, 27103244), (4, 20327433), (6, 13551622), (7, 11615676), (12, 6775811), (14, 5807838), (21, 3871892), (28, 2903919), (42, 1935946), (43, 1890924), (84, 967973), (86, 945462), (129, 630308), (172, 472731), (258, 315154), (301, 270132), (516, 157577), (602, 135066), (903, 90044), (1204, 67533), (1806, 45022), (3612, 22511)]