39421408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 84185136

約数和(自身を除く): 44763728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 193, 208, 386, 416, 491, 772, 982, 1544, 1964, 2509, 3088, 3928, 5018, 6176, 6383, 7856, 10036, 12766, 15712, 20072, 25532, 40144, 51064, 80288, 94763, 102128, 189526, 204256, 379052, 758104, 1231919, 1516208, 2463838, 3032416, 4927676, 9855352, 19710704, 39421408]

約数ペア:

[(1, 39421408), (2, 19710704), (4, 9855352), (8, 4927676), (13, 3032416), (16, 2463838), (26, 1516208), (32, 1231919), (52, 758104), (104, 379052), (193, 204256), (208, 189526), (386, 102128), (416, 94763), (491, 80288), (772, 51064), (982, 40144), (1544, 25532), (1964, 20072), (2509, 15712), (3088, 12766), (3928, 10036), (5018, 7856), (6176, 6383)]