123990678

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:826

約数の個数: 72

約数和(自身を含む): 314296632

約数和(自身を除く): 190305954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 257, 294, 441, 514, 547, 771, 882, 1094, 1542, 1641, 1799, 2313, 3282, 3598, 3829, 4626, 4923, 5397, 7658, 9846, 10794, 11487, 12593, 16191, 22974, 25186, 26803, 32382, 34461, 37779, 53606, 68922, 75558, 80409, 113337, 140579, 160818, 226674, 241227, 281158, 421737, 482454, 843474, 984053, 1265211, 1968106, 2530422, 2952159, 5904318, 6888371, 8856477, 13776742, 17712954, 20665113, 41330226, 61995339, 123990678]

約数ペア:

[(1, 123990678), (2, 61995339), (3, 41330226), (6, 20665113), (7, 17712954), (9, 13776742), (14, 8856477), (18, 6888371), (21, 5904318), (42, 2952159), (49, 2530422), (63, 1968106), (98, 1265211), (126, 984053), (147, 843474), (257, 482454), (294, 421737), (441, 281158), (514, 241227), (547, 226674), (771, 160818), (882, 140579), (1094, 113337), (1542, 80409), (1641, 75558), (1799, 68922), (2313, 53606), (3282, 37779), (3598, 34461), (3829, 32382), (4626, 26803), (4923, 25186), (5397, 22974), (7658, 16191), (9846, 12593), (10794, 11487)]