25742488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 54237600

約数和(自身を除く): 28495112

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 61, 68, 107, 116, 122, 136, 214, 232, 244, 428, 488, 493, 856, 986, 1037, 1769, 1819, 1972, 2074, 3103, 3538, 3638, 3944, 4148, 6206, 6527, 7076, 7276, 8296, 12412, 13054, 14152, 14552, 24824, 26108, 30073, 52216, 52751, 60146, 105502, 110959, 120292, 189283, 211004, 221918, 240584, 378566, 422008, 443836, 757132, 887672, 1514264, 3217811, 6435622, 12871244, 25742488]

約数ペア:

[(1, 25742488), (2, 12871244), (4, 6435622), (8, 3217811), (17, 1514264), (29, 887672), (34, 757132), (58, 443836), (61, 422008), (68, 378566), (107, 240584), (116, 221918), (122, 211004), (136, 189283), (214, 120292), (232, 110959), (244, 105502), (428, 60146), (488, 52751), (493, 52216), (856, 30073), (986, 26108), (1037, 24824), (1769, 14552), (1819, 14152), (1972, 13054), (2074, 12412), (3103, 8296), (3538, 7276), (3638, 7076), (3944, 6527), (4148, 6206)]