123489816

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 326678400

約数和(自身を除く): 203188584

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 227, 228, 454, 456, 681, 908, 1193, 1362, 1816, 2386, 2724, 3579, 4313, 4772, 5448, 7158, 8626, 9544, 12939, 14316, 17252, 22667, 25878, 28632, 34504, 45334, 51756, 68001, 90668, 103512, 136002, 181336, 270811, 272004, 541622, 544008, 812433, 1083244, 1624866, 2166488, 3249732, 5145409, 6499464, 10290818, 15436227, 20581636, 30872454, 41163272, 61744908, 123489816]

約数ペア:

[(1, 123489816), (2, 61744908), (3, 41163272), (4, 30872454), (6, 20581636), (8, 15436227), (12, 10290818), (19, 6499464), (24, 5145409), (38, 3249732), (57, 2166488), (76, 1624866), (114, 1083244), (152, 812433), (227, 544008), (228, 541622), (454, 272004), (456, 270811), (681, 181336), (908, 136002), (1193, 103512), (1362, 90668), (1816, 68001), (2386, 51756), (2724, 45334), (3579, 34504), (4313, 28632), (4772, 25878), (5448, 22667), (7158, 17252), (8626, 14316), (9544, 12939)]