81494374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72893}}^1$

素因数の和:72951

約数の個数: 16

約数和(自身を含む): 134708112

約数和(自身を除く): 53213738

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72893, 145786, 947609, 1895218, 3134399, 6268798, 40747187, 81494374]

約数ペア:

[(1, 81494374), (2, 40747187), (13, 6268798), (26, 3134399), (43, 1895218), (86, 947609), (559, 145786), (1118, 72893)]