287368543

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 373063680

約数和(自身を除く): 85695137

約数列:

[1, 7, 11, 31, 77, 131, 217, 341, 917, 919, 1441, 2387, 4061, 6433, 10087, 10109, 28427, 28489, 44671, 70763, 120389, 199423, 312697, 313379, 842723, 1324279, 2193653, 3732059, 9269953, 26124413, 41052649, 287368543]

約数ペア:

[(1, 287368543), (7, 41052649), (11, 26124413), (31, 9269953), (77, 3732059), (131, 2193653), (217, 1324279), (341, 842723), (917, 313379), (919, 312697), (1441, 199423), (2387, 120389), (4061, 70763), (6433, 44671), (10087, 28489), (10109, 28427)]