78384892

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{67807}}^1$

素因数の和:67845

約数の個数: 18

約数和(自身を含む): 145719392

約数和(自身を除く): 67334500

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 67807, 135614, 271228, 1152719, 2305438, 4610876, 19596223, 39192446, 78384892]

約数ペア:

[(1, 78384892), (2, 39192446), (4, 19596223), (17, 4610876), (34, 2305438), (68, 1152719), (289, 271228), (578, 135614), (1156, 67807)]