51881718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 122204160

約数和(自身を除く): 70322442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 103, 134, 179, 201, 206, 309, 358, 402, 469, 537, 618, 721, 938, 1074, 1253, 1407, 1442, 2163, 2506, 2814, 3759, 4326, 6901, 7518, 11993, 13802, 18437, 20703, 23986, 35979, 36874, 41406, 48307, 55311, 71958, 83951, 96614, 110622, 129059, 144921, 167902, 251853, 258118, 289842, 387177, 503706, 774354, 1235279, 2470558, 3705837, 7411674, 8646953, 17293906, 25940859, 51881718]

約数ペア:

[(1, 51881718), (2, 25940859), (3, 17293906), (6, 8646953), (7, 7411674), (14, 3705837), (21, 2470558), (42, 1235279), (67, 774354), (103, 503706), (134, 387177), (179, 289842), (201, 258118), (206, 251853), (309, 167902), (358, 144921), (402, 129059), (469, 110622), (537, 96614), (618, 83951), (721, 71958), (938, 55311), (1074, 48307), (1253, 41406), (1407, 36874), (1442, 35979), (2163, 23986), (2506, 20703), (2814, 18437), (3759, 13802), (4326, 11993), (6901, 7518)]