178721892

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 460556096

約数和(自身を除く): 281834204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 157, 206, 307, 309, 314, 412, 471, 614, 618, 628, 921, 927, 942, 1228, 1236, 1413, 1842, 1854, 1884, 2763, 2826, 3684, 3708, 5526, 5652, 11052, 16171, 31621, 32342, 48199, 48513, 63242, 64684, 94863, 96398, 97026, 126484, 144597, 145539, 189726, 192796, 194052, 284589, 289194, 291078, 379452, 433791, 569178, 578388, 582156, 867582, 1138356, 1735164, 4964497, 9928994, 14893491, 19857988, 29786982, 44680473, 59573964, 89360946, 178721892]

約数ペア:

[(1, 178721892), (2, 89360946), (3, 59573964), (4, 44680473), (6, 29786982), (9, 19857988), (12, 14893491), (18, 9928994), (36, 4964497), (103, 1735164), (157, 1138356), (206, 867582), (307, 582156), (309, 578388), (314, 569178), (412, 433791), (471, 379452), (614, 291078), (618, 289194), (628, 284589), (921, 194052), (927, 192796), (942, 189726), (1228, 145539), (1236, 144597), (1413, 126484), (1842, 97026), (1854, 96398), (1884, 94863), (2763, 64684), (2826, 63242), (3684, 48513), (3708, 48199), (5526, 32342), (5652, 31621), (11052, 16171)]