78956787

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 133808640

約数和(自身を除く): 54851853

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 147, 237, 273, 523, 553, 637, 1027, 1569, 1659, 1911, 3081, 3661, 3871, 6799, 7189, 10983, 11613, 20397, 21567, 25627, 41317, 47593, 50323, 76881, 123951, 142779, 150969, 289219, 333151, 537121, 867657, 999453, 1611363, 2024533, 3759847, 6073599, 11279541, 26318929, 78956787]

約数ペア:

[(1, 78956787), (3, 26318929), (7, 11279541), (13, 6073599), (21, 3759847), (39, 2024533), (49, 1611363), (79, 999453), (91, 867657), (147, 537121), (237, 333151), (273, 289219), (523, 150969), (553, 142779), (637, 123951), (1027, 76881), (1569, 50323), (1659, 47593), (1911, 41317), (3081, 25627), (3661, 21567), (3871, 20397), (6799, 11613), (7189, 10983)]