81312194

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{4217}}^1$

素因数の和:4561

約数の個数: 16

約数和(自身を含む): 126337536

約数和(自身を除く): 45025342

約数列:

[1, 2, 31, 62, 311, 622, 4217, 8434, 9641, 19282, 130727, 261454, 1311487, 2622974, 40656097, 81312194]

約数ペア:

[(1, 81312194), (2, 40656097), (31, 2622974), (62, 1311487), (311, 261454), (622, 130727), (4217, 19282), (8434, 9641)]