290778818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{68483}}^1$

素因数の和:68689

約数の個数: 16

約数和(自身を含む): 478292256

約数和(自身を除く): 187513438

約数列:

[1, 2, 11, 22, 193, 386, 2123, 4246, 68483, 136966, 753313, 1506626, 13217219, 26434438, 145389409, 290778818]

約数ペア:

[(1, 290778818), (2, 145389409), (11, 26434438), (22, 13217219), (193, 1506626), (386, 753313), (2123, 136966), (4246, 68483)]