668725304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{6691}}^1$

素因数の和:6772

約数の個数: 48

約数和(自身を含む): 1395482760

約数和(自身を除く): 726757456

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 961, 1612, 1922, 3224, 3844, 6691, 7688, 12493, 13382, 24986, 26764, 49972, 53528, 86983, 99944, 173966, 207421, 347932, 414842, 695864, 829684, 1659368, 2696473, 5392946, 6430051, 10785892, 12860102, 21571784, 25720204, 51440408, 83590663, 167181326, 334362652, 668725304]

約数ペア:

[(1, 668725304), (2, 334362652), (4, 167181326), (8, 83590663), (13, 51440408), (26, 25720204), (31, 21571784), (52, 12860102), (62, 10785892), (104, 6430051), (124, 5392946), (248, 2696473), (403, 1659368), (806, 829684), (961, 695864), (1612, 414842), (1922, 347932), (3224, 207421), (3844, 173966), (6691, 99944), (7688, 86983), (12493, 53528), (13382, 49972), (24986, 26764)]