28961192

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 60785280

約数和(自身を除く): 31824088

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 691, 806, 1352, 1382, 1612, 2764, 3224, 5239, 5528, 8983, 10478, 17966, 20956, 21421, 35932, 41912, 42842, 71864, 85684, 116779, 171368, 233558, 278473, 467116, 556946, 934232, 1113892, 2227784, 3620149, 7240298, 14480596, 28961192]

約数ペア:

[(1, 28961192), (2, 14480596), (4, 7240298), (8, 3620149), (13, 2227784), (26, 1113892), (31, 934232), (52, 556946), (62, 467116), (104, 278473), (124, 233558), (169, 171368), (248, 116779), (338, 85684), (403, 71864), (676, 42842), (691, 41912), (806, 35932), (1352, 21421), (1382, 20956), (1612, 17966), (2764, 10478), (3224, 8983), (5239, 5528)]