138248894

素因数分解:

$2^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{2551}}^1$

素因数の和:2653

約数の個数: 32

約数和(自身を含む): 244992000

約数和(自身を除く): 106743106

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 343, 553, 686, 1106, 2551, 3871, 5102, 7742, 17857, 27097, 35714, 54194, 124999, 201529, 249998, 403058, 874993, 1410703, 1749986, 2821406, 9874921, 19749842, 69124447, 138248894]

約数ペア:

[(1, 138248894), (2, 69124447), (7, 19749842), (14, 9874921), (49, 2821406), (79, 1749986), (98, 1410703), (158, 874993), (343, 403058), (553, 249998), (686, 201529), (1106, 124999), (2551, 54194), (3871, 35714), (5102, 27097), (7742, 17857)]