81710664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11311}}^1$

素因数の和:11370

約数の個数: 64

約数和(自身を含む): 238909440

約数和(自身を除く): 157198776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 7224, 11311, 22622, 33933, 45244, 67866, 79177, 90488, 135732, 158354, 237531, 271464, 316708, 475062, 486373, 633416, 950124, 972746, 1459119, 1900248, 1945492, 2918238, 3404611, 3890984, 5836476, 6809222, 10213833, 11672952, 13618444, 20427666, 27236888, 40855332, 81710664]

約数ペア:

[(1, 81710664), (2, 40855332), (3, 27236888), (4, 20427666), (6, 13618444), (7, 11672952), (8, 10213833), (12, 6809222), (14, 5836476), (21, 3890984), (24, 3404611), (28, 2918238), (42, 1945492), (43, 1900248), (56, 1459119), (84, 972746), (86, 950124), (129, 633416), (168, 486373), (172, 475062), (258, 316708), (301, 271464), (344, 237531), (516, 158354), (602, 135732), (903, 90488), (1032, 79177), (1204, 67866), (1806, 45244), (2408, 33933), (3612, 22622), (7224, 11311)]