81611352

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10399}}^1$

素因数の和:10520

約数の個数: 48

約数和(自身を含む): 223080000

約数和(自身を除く): 141468648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 3924, 7848, 10399, 20798, 31197, 41596, 62394, 83192, 93591, 124788, 187182, 249576, 374364, 748728, 1133491, 2266982, 3400473, 4533964, 6800946, 9067928, 10201419, 13601892, 20402838, 27203784, 40805676, 81611352]

約数ペア:

[(1, 81611352), (2, 40805676), (3, 27203784), (4, 20402838), (6, 13601892), (8, 10201419), (9, 9067928), (12, 6800946), (18, 4533964), (24, 3400473), (36, 2266982), (72, 1133491), (109, 748728), (218, 374364), (327, 249576), (436, 187182), (654, 124788), (872, 93591), (981, 83192), (1308, 62394), (1962, 41596), (2616, 31197), (3924, 20798), (7848, 10399)]