81521832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3491}}^1$

素因数の和:3646

約数の個数: 64

約数和(自身を含む): 234662400

約数和(自身を除く): 153140568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 834, 973, 1112, 1668, 1946, 2919, 3336, 3491, 3892, 5838, 6982, 7784, 10473, 11676, 13964, 20946, 23352, 24437, 27928, 41892, 48874, 73311, 83784, 97748, 146622, 195496, 293244, 485249, 586488, 970498, 1455747, 1940996, 2911494, 3396743, 3881992, 5822988, 6793486, 10190229, 11645976, 13586972, 20380458, 27173944, 40760916, 81521832]

約数ペア:

[(1, 81521832), (2, 40760916), (3, 27173944), (4, 20380458), (6, 13586972), (7, 11645976), (8, 10190229), (12, 6793486), (14, 5822988), (21, 3881992), (24, 3396743), (28, 2911494), (42, 1940996), (56, 1455747), (84, 970498), (139, 586488), (168, 485249), (278, 293244), (417, 195496), (556, 146622), (834, 97748), (973, 83784), (1112, 73311), (1668, 48874), (1946, 41892), (2919, 27928), (3336, 24437), (3491, 23352), (3892, 20946), (5838, 13964), (6982, 11676), (7784, 10473)]