28905268756

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2551}}^1\times {\mathrm{4447}}^1$

素因数の和:7029

約数の個数: 72

約数和(自身を含む): 63408339456

約数和(自身を除く): 34503070700

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 2551, 4447, 5102, 8894, 10204, 17788, 17857, 31129, 33163, 35714, 57811, 62258, 66326, 71428, 115622, 124516, 124999, 132652, 217903, 231244, 232141, 249998, 404677, 435806, 464282, 499996, 809354, 871612, 928564, 1618708, 1624987, 2832739, 3249974, 5665478, 6499948, 11330956, 11344297, 22688594, 45377188, 79410079, 147475861, 158820158, 294951722, 317640316, 555870553, 589903444, 1032331027, 1111741106, 2064662054, 2223482212, 4129324108, 7226317189, 14452634378, 28905268756]

約数ペア:

[(1, 28905268756), (2, 14452634378), (4, 7226317189), (7, 4129324108), (13, 2223482212), (14, 2064662054), (26, 1111741106), (28, 1032331027), (49, 589903444), (52, 555870553), (91, 317640316), (98, 294951722), (182, 158820158), (196, 147475861), (364, 79410079), (637, 45377188), (1274, 22688594), (2548, 11344297), (2551, 11330956), (4447, 6499948), (5102, 5665478), (8894, 3249974), (10204, 2832739), (17788, 1624987), (17857, 1618708), (31129, 928564), (33163, 871612), (35714, 809354), (57811, 499996), (62258, 464282), (66326, 435806), (71428, 404677), (115622, 249998), (124516, 232141), (124999, 231244), (132652, 217903)]