1640648834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 2886451200

約数和(自身を除く): 1245802366

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 149, 253, 298, 463, 506, 517, 926, 1034, 1081, 1639, 2162, 3278, 3427, 5093, 6854, 7003, 10186, 10649, 11891, 14006, 21298, 21761, 23782, 37697, 43522, 68987, 75394, 77033, 117139, 137974, 154066, 161069, 234278, 239371, 322138, 478742, 500503, 758857, 1001006, 1517714, 1586701, 1771759, 3173402, 3242389, 3543518, 5505533, 6484778, 11011066, 17453711, 34907422, 35666279, 71332558, 74574947, 149149894, 820324417, 1640648834]

約数ペア:

[(1, 1640648834), (2, 820324417), (11, 149149894), (22, 74574947), (23, 71332558), (46, 35666279), (47, 34907422), (94, 17453711), (149, 11011066), (253, 6484778), (298, 5505533), (463, 3543518), (506, 3242389), (517, 3173402), (926, 1771759), (1034, 1586701), (1081, 1517714), (1639, 1001006), (2162, 758857), (3278, 500503), (3427, 478742), (5093, 322138), (6854, 239371), (7003, 234278), (10186, 161069), (10649, 154066), (11891, 137974), (14006, 117139), (21298, 77033), (21761, 75394), (23782, 68987), (37697, 43522)]