16865982

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 80

約数和(自身を含む): 43908480

約数和(自身を除く): 27042498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 107, 126, 139, 162, 189, 214, 278, 321, 378, 417, 567, 642, 749, 834, 963, 973, 1134, 1251, 1498, 1926, 1946, 2247, 2502, 2889, 2919, 3753, 4494, 5778, 5838, 6741, 7506, 8667, 8757, 11259, 13482, 14873, 17334, 17514, 20223, 22518, 26271, 29746, 40446, 44619, 52542, 60669, 78813, 89238, 104111, 121338, 133857, 157626, 208222, 267714, 312333, 401571, 624666, 803142, 936999, 1204713, 1873998, 2409426, 2810997, 5621994, 8432991, 16865982]

約数ペア:

[(1, 16865982), (2, 8432991), (3, 5621994), (6, 2810997), (7, 2409426), (9, 1873998), (14, 1204713), (18, 936999), (21, 803142), (27, 624666), (42, 401571), (54, 312333), (63, 267714), (81, 208222), (107, 157626), (126, 133857), (139, 121338), (162, 104111), (189, 89238), (214, 78813), (278, 60669), (321, 52542), (378, 44619), (417, 40446), (567, 29746), (642, 26271), (749, 22518), (834, 20223), (963, 17514), (973, 17334), (1134, 14873), (1251, 13482), (1498, 11259), (1926, 8757), (1946, 8667), (2247, 7506), (2502, 6741), (2889, 5838), (2919, 5778), (3753, 4494)]