2660238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 6754176

約数和(自身を除く): 4093938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 491, 602, 774, 903, 982, 1473, 1806, 2709, 2946, 3437, 4419, 5418, 6874, 8838, 10311, 20622, 21113, 30933, 42226, 61866, 63339, 126678, 147791, 190017, 295582, 380034, 443373, 886746, 1330119, 2660238]

約数ペア:

[(1, 2660238), (2, 1330119), (3, 886746), (6, 443373), (7, 380034), (9, 295582), (14, 190017), (18, 147791), (21, 126678), (42, 63339), (43, 61866), (63, 42226), (86, 30933), (126, 21113), (129, 20622), (258, 10311), (301, 8838), (387, 6874), (491, 5418), (602, 4419), (774, 3437), (903, 2946), (982, 2709), (1473, 1806)]