2051915905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1\times {\mathrm{1321}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 2771758080

約数和(自身を除く): 719842175

約数列:

[1, 5, 13, 23, 65, 115, 299, 1039, 1321, 1495, 5195, 6605, 13507, 17173, 23897, 30383, 67535, 85865, 119485, 151915, 310661, 394979, 1372519, 1553305, 1974895, 6862595, 17842747, 31567937, 89213735, 157839685, 410383181, 2051915905]

約数ペア:

[(1, 2051915905), (5, 410383181), (13, 157839685), (23, 89213735), (65, 31567937), (115, 17842747), (299, 6862595), (1039, 1974895), (1321, 1553305), (1495, 1372519), (5195, 394979), (6605, 310661), (13507, 151915), (17173, 119485), (23897, 85865), (30383, 67535)]