28392925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 40684896

約数和(自身を除く): 12291971

約数列:

[1, 5, 11, 23, 25, 55, 67, 115, 253, 275, 335, 575, 737, 1265, 1541, 1675, 3685, 4489, 6325, 7705, 16951, 18425, 22445, 38525, 49379, 84755, 103247, 112225, 246895, 423775, 516235, 1135717, 1234475, 2581175, 5678585, 28392925]

約数ペア:

[(1, 28392925), (5, 5678585), (11, 2581175), (23, 1234475), (25, 1135717), (55, 516235), (67, 423775), (115, 246895), (253, 112225), (275, 103247), (335, 84755), (575, 49379), (737, 38525), (1265, 22445), (1541, 18425), (1675, 16951), (3685, 7705), (4489, 6325)]