28213422335

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{106867}}^1$

素因数の和:107295

約数の個数: 32

約数和(自身を含む): 40832125440

約数和(自身を除く): 12618703105

約数列:

[1, 5, 7, 19, 35, 95, 133, 397, 665, 1985, 2779, 7543, 13895, 37715, 52801, 106867, 264005, 534335, 748069, 2030473, 3740345, 10152365, 14213311, 42426199, 71066555, 212130995, 296983393, 806097781, 1484916965, 4030488905, 5642684467, 28213422335]

約数ペア:

[(1, 28213422335), (5, 5642684467), (7, 4030488905), (19, 1484916965), (35, 806097781), (95, 296983393), (133, 212130995), (397, 71066555), (665, 42426199), (1985, 14213311), (2779, 10152365), (7543, 3740345), (13895, 2030473), (37715, 748069), (52801, 534335), (106867, 264005)]