81964248

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2687}}^1$

素因数の和:2768

約数の個数: 64

約数和(自身を含む): 216760320

約数和(自身を除く): 134796072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 744, 984, 1271, 2542, 2687, 3813, 5084, 5374, 7626, 8061, 10168, 10748, 15252, 16122, 21496, 30504, 32244, 64488, 83297, 110167, 166594, 220334, 249891, 330501, 333188, 440668, 499782, 661002, 666376, 881336, 999564, 1322004, 1999128, 2644008, 3415177, 6830354, 10245531, 13660708, 20491062, 27321416, 40982124, 81964248]

約数ペア:

[(1, 81964248), (2, 40982124), (3, 27321416), (4, 20491062), (6, 13660708), (8, 10245531), (12, 6830354), (24, 3415177), (31, 2644008), (41, 1999128), (62, 1322004), (82, 999564), (93, 881336), (123, 666376), (124, 661002), (164, 499782), (186, 440668), (246, 333188), (248, 330501), (328, 249891), (372, 220334), (492, 166594), (744, 110167), (984, 83297), (1271, 64488), (2542, 32244), (2687, 30504), (3813, 21496), (5084, 16122), (5374, 15252), (7626, 10748), (8061, 10168)]