64257004

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 132765696

約数和(自身を除く): 68508692

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 223, 251, 287, 446, 502, 574, 892, 1004, 1148, 1561, 1757, 3122, 3514, 6244, 7028, 9143, 10291, 18286, 20582, 36572, 41164, 55973, 64001, 72037, 111946, 128002, 144074, 223892, 256004, 288148, 391811, 783622, 1567244, 2294893, 4589786, 9179572, 16064251, 32128502, 64257004]

約数ペア:

[(1, 64257004), (2, 32128502), (4, 16064251), (7, 9179572), (14, 4589786), (28, 2294893), (41, 1567244), (82, 783622), (164, 391811), (223, 288148), (251, 256004), (287, 223892), (446, 144074), (502, 128002), (574, 111946), (892, 72037), (1004, 64001), (1148, 55973), (1561, 41164), (1757, 36572), (3122, 20582), (3514, 18286), (6244, 10291), (7028, 9143)]