28186746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 66908160

約数和(自身を除く): 38721414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 109, 131, 141, 218, 262, 282, 327, 329, 393, 654, 658, 763, 786, 917, 987, 1526, 1834, 1974, 2289, 2751, 4578, 5123, 5502, 6157, 10246, 12314, 14279, 15369, 18471, 28558, 30738, 35861, 36942, 42837, 43099, 71722, 85674, 86198, 99953, 107583, 129297, 199906, 215166, 258594, 299859, 599718, 671113, 1342226, 2013339, 4026678, 4697791, 9395582, 14093373, 28186746]

約数ペア:

[(1, 28186746), (2, 14093373), (3, 9395582), (6, 4697791), (7, 4026678), (14, 2013339), (21, 1342226), (42, 671113), (47, 599718), (94, 299859), (109, 258594), (131, 215166), (141, 199906), (218, 129297), (262, 107583), (282, 99953), (327, 86198), (329, 85674), (393, 71722), (654, 43099), (658, 42837), (763, 36942), (786, 35861), (917, 30738), (987, 28558), (1526, 18471), (1834, 15369), (1974, 14279), (2289, 12314), (2751, 10246), (4578, 6157), (5123, 5502)]