78761488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{378661}}^1$

素因数の和:378682

約数の個数: 20

約数和(自身を含む): 164339308

約数和(自身を除く): 85577820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378661, 757322, 1514644, 3029288, 4922593, 6058576, 9845186, 19690372, 39380744, 78761488]

約数ペア:

[(1, 78761488), (2, 39380744), (4, 19690372), (8, 9845186), (13, 6058576), (16, 4922593), (26, 3029288), (52, 1514644), (104, 757322), (208, 378661)]