249191545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 320060160

約数和(自身を除く): 70868615

約数列:

[1, 5, 23, 89, 97, 115, 251, 445, 485, 1255, 2047, 2231, 5773, 8633, 10235, 11155, 22339, 24347, 28865, 43165, 111695, 121735, 198559, 513797, 559981, 992795, 2166883, 2568985, 2799905, 10834415, 49838309, 249191545]

約数ペア:

[(1, 249191545), (5, 49838309), (23, 10834415), (89, 2799905), (97, 2568985), (115, 2166883), (251, 992795), (445, 559981), (485, 513797), (1255, 198559), (2047, 121735), (2231, 111695), (5773, 43165), (8633, 28865), (10235, 24347), (11155, 22339)]