311857986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 701955072

約数和(自身を除く): 390097086

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 71, 122, 142, 183, 213, 366, 426, 671, 781, 1091, 1342, 1562, 2013, 2182, 2343, 3273, 4026, 4331, 4686, 6546, 8662, 12001, 12993, 24002, 25986, 36003, 47641, 66551, 72006, 77461, 95282, 133102, 142923, 154922, 199653, 232383, 285846, 399306, 464766, 732061, 852071, 1464122, 1704142, 2196183, 2556213, 4392366, 4725121, 5112426, 9450242, 14175363, 28350726, 51976331, 103952662, 155928993, 311857986]

約数ペア:

[(1, 311857986), (2, 155928993), (3, 103952662), (6, 51976331), (11, 28350726), (22, 14175363), (33, 9450242), (61, 5112426), (66, 4725121), (71, 4392366), (122, 2556213), (142, 2196183), (183, 1704142), (213, 1464122), (366, 852071), (426, 732061), (671, 464766), (781, 399306), (1091, 285846), (1342, 232383), (1562, 199653), (2013, 154922), (2182, 142923), (2343, 133102), (3273, 95282), (4026, 77461), (4331, 72006), (4686, 66551), (6546, 47641), (8662, 36003), (12001, 25986), (12993, 24002)]