67995728

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4297}}^1$

素因数の和:4371

約数の個数: 40

約数和(自身を含む): 140699328

約数和(自身を除く): 72703600

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 4297, 7912, 8594, 15824, 17188, 34376, 68752, 98831, 184771, 197662, 369542, 395324, 739084, 790648, 1478168, 1581296, 2956336, 4249733, 8499466, 16998932, 33997864, 67995728]

約数ペア:

[(1, 67995728), (2, 33997864), (4, 16998932), (8, 8499466), (16, 4249733), (23, 2956336), (43, 1581296), (46, 1478168), (86, 790648), (92, 739084), (172, 395324), (184, 369542), (344, 197662), (368, 184771), (688, 98831), (989, 68752), (1978, 34376), (3956, 17188), (4297, 15824), (7912, 8594)]