257904097

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{20441}}^1$

素因数の和:20520

約数の個数: 16

約数和(自身を含む): 298289664

約数和(自身を除く): 40385567

約数列:

[1, 11, 31, 37, 341, 407, 1147, 12617, 20441, 224851, 633671, 756317, 6970381, 8319487, 23445827, 257904097]

約数ペア:

[(1, 257904097), (11, 23445827), (31, 8319487), (37, 6970381), (341, 756317), (407, 633671), (1147, 224851), (12617, 20441)]