71779370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{42473}}^1$

素因数の和:42506

約数の個数: 24

約数和(自身を含む): 139909356

約数和(自身を除く): 68129986

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 42473, 84946, 212365, 424730, 552149, 1104298, 2760745, 5521490, 7177937, 14355874, 35889685, 71779370]

約数ペア:

[(1, 71779370), (2, 35889685), (5, 14355874), (10, 7177937), (13, 5521490), (26, 2760745), (65, 1104298), (130, 552149), (169, 424730), (338, 212365), (845, 84946), (1690, 42473)]