1991192

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 4528080

約数和(自身を除く): 2536888

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 434, 518, 868, 961, 1036, 1147, 1736, 1922, 2072, 2294, 3844, 4588, 6727, 7688, 8029, 9176, 13454, 16058, 26908, 32116, 35557, 53816, 64232, 71114, 142228, 248899, 284456, 497798, 995596, 1991192]

約数ペア:

[(1, 1991192), (2, 995596), (4, 497798), (7, 284456), (8, 248899), (14, 142228), (28, 71114), (31, 64232), (37, 53816), (56, 35557), (62, 32116), (74, 26908), (124, 16058), (148, 13454), (217, 9176), (248, 8029), (259, 7688), (296, 6727), (434, 4588), (518, 3844), (868, 2294), (961, 2072), (1036, 1922), (1147, 1736)]