8989448

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 18720900

約数和(自身を除く): 9731452

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 109, 122, 169, 218, 244, 338, 436, 488, 676, 793, 872, 1352, 1417, 1586, 2834, 3172, 5668, 6344, 6649, 10309, 11336, 13298, 18421, 20618, 26596, 36842, 41236, 53192, 73684, 82472, 86437, 147368, 172874, 345748, 691496, 1123681, 2247362, 4494724, 8989448]

約数ペア:

[(1, 8989448), (2, 4494724), (4, 2247362), (8, 1123681), (13, 691496), (26, 345748), (52, 172874), (61, 147368), (104, 86437), (109, 82472), (122, 73684), (169, 53192), (218, 41236), (244, 36842), (338, 26596), (436, 20618), (488, 18421), (676, 13298), (793, 11336), (872, 10309), (1352, 6649), (1417, 6344), (1586, 5668), (2834, 3172)]