2011899996

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{2647}}^1$

素因数の和:3191

約数の個数: 72

約数和(自身を含む): 5216475264

約数和(自身を除く): 3204575268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 491, 516, 774, 982, 1473, 1548, 1964, 2647, 2946, 4419, 5294, 5892, 7941, 8838, 10588, 15882, 17676, 21113, 23823, 31764, 42226, 47646, 63339, 84452, 95292, 113821, 126678, 190017, 227642, 253356, 341463, 380034, 455284, 682926, 760068, 1024389, 1299677, 1365852, 2048778, 2599354, 3899031, 4097556, 5198708, 7798062, 11697093, 15596124, 23394186, 46788372, 55886111, 111772222, 167658333, 223544444, 335316666, 502974999, 670633332, 1005949998, 2011899996]

約数ペア:

[(1, 2011899996), (2, 1005949998), (3, 670633332), (4, 502974999), (6, 335316666), (9, 223544444), (12, 167658333), (18, 111772222), (36, 55886111), (43, 46788372), (86, 23394186), (129, 15596124), (172, 11697093), (258, 7798062), (387, 5198708), (491, 4097556), (516, 3899031), (774, 2599354), (982, 2048778), (1473, 1365852), (1548, 1299677), (1964, 1024389), (2647, 760068), (2946, 682926), (4419, 455284), (5294, 380034), (5892, 341463), (7941, 253356), (8838, 227642), (10588, 190017), (15882, 126678), (17676, 113821), (21113, 95292), (23823, 84452), (31764, 63339), (42226, 47646)]