64723878

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 145176720

約数和(自身を除く): 80452842

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 157, 222, 314, 333, 471, 619, 666, 942, 1238, 1413, 1857, 2826, 3714, 5571, 5809, 11142, 11618, 17427, 22903, 34854, 45806, 52281, 68709, 97183, 104562, 137418, 194366, 206127, 291549, 412254, 583098, 874647, 1749294, 3595771, 7191542, 10787313, 21574626, 32361939, 64723878]

約数ペア:

[(1, 64723878), (2, 32361939), (3, 21574626), (6, 10787313), (9, 7191542), (18, 3595771), (37, 1749294), (74, 874647), (111, 583098), (157, 412254), (222, 291549), (314, 206127), (333, 194366), (471, 137418), (619, 104562), (666, 97183), (942, 68709), (1238, 52281), (1413, 45806), (1857, 34854), (2826, 22903), (3714, 17427), (5571, 11618), (5809, 11142)]