1991238028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{10247}}^1$

素因数の和:10402

約数の個数: 48

約数和(自身を含む): 3892682304

約数和(自身を除く): 1901444276

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 101, 148, 202, 404, 481, 962, 1313, 1924, 2626, 3737, 5252, 7474, 10247, 14948, 20494, 40988, 48581, 97162, 133211, 194324, 266422, 379139, 532844, 758278, 1034947, 1516556, 2069894, 4139788, 4928807, 9857614, 13454311, 19715228, 26908622, 38293039, 53817244, 76586078, 153172156, 497809507, 995619014, 1991238028]

約数ペア:

[(1, 1991238028), (2, 995619014), (4, 497809507), (13, 153172156), (26, 76586078), (37, 53817244), (52, 38293039), (74, 26908622), (101, 19715228), (148, 13454311), (202, 9857614), (404, 4928807), (481, 4139788), (962, 2069894), (1313, 1516556), (1924, 1034947), (2626, 758278), (3737, 532844), (5252, 379139), (7474, 266422), (10247, 194324), (14948, 133211), (20494, 97162), (40988, 48581)]