2801091215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{1093}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 3672164160

約数和(自身を除く): 871072945

約数列:

[1, 5, 13, 65, 89, 443, 445, 1093, 1157, 2215, 5465, 5759, 5785, 14209, 28795, 39427, 71045, 97277, 197135, 484199, 486385, 512551, 1264601, 2420995, 2562755, 6294587, 6323005, 31472935, 43093711, 215468555, 560218243, 2801091215]

約数ペア:

[(1, 2801091215), (5, 560218243), (13, 215468555), (65, 43093711), (89, 31472935), (443, 6323005), (445, 6294587), (1093, 2562755), (1157, 2420995), (2215, 1264601), (5465, 512551), (5759, 486385), (5785, 484199), (14209, 197135), (28795, 97277), (39427, 71045)]