39811268

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 82131840

約数和(自身を除く): 42320572

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 139, 193, 212, 278, 371, 386, 556, 742, 772, 973, 1351, 1484, 1946, 2702, 3892, 5404, 7367, 10229, 14734, 20458, 26827, 29468, 40916, 51569, 53654, 71603, 103138, 107308, 143206, 187789, 206276, 286412, 375578, 751156, 1421831, 2843662, 5687324, 9952817, 19905634, 39811268]

約数ペア:

[(1, 39811268), (2, 19905634), (4, 9952817), (7, 5687324), (14, 2843662), (28, 1421831), (53, 751156), (106, 375578), (139, 286412), (193, 206276), (212, 187789), (278, 143206), (371, 107308), (386, 103138), (556, 71603), (742, 53654), (772, 51569), (973, 40916), (1351, 29468), (1484, 26827), (1946, 20458), (2702, 14734), (3892, 10229), (5404, 7367)]