78848978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{887}}^1$

素因数の和:1178

約数の個数: 24

約数和(自身を含む): 128703168

約数和(自身を除く): 49854190

約数列:

[1, 2, 13, 26, 169, 263, 338, 526, 887, 1774, 3419, 6838, 11531, 23062, 44447, 88894, 149903, 233281, 299806, 466562, 3032653, 6065306, 39424489, 78848978]

約数ペア:

[(1, 78848978), (2, 39424489), (13, 6065306), (26, 3032653), (169, 466562), (263, 299806), (338, 233281), (526, 149903), (887, 88894), (1774, 44447), (3419, 23062), (6838, 11531)]