775439390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{640859}}^1$

素因数の和:640888

約数の個数: 24

約数和(自身を含む): 1534218840

約数和(自身を除く): 758779450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 640859, 1281718, 3204295, 6408590, 7049449, 14098898, 35247245, 70494490, 77543939, 155087878, 387719695, 775439390]

約数ペア:

[(1, 775439390), (2, 387719695), (5, 155087878), (10, 77543939), (11, 70494490), (22, 35247245), (55, 14098898), (110, 7049449), (121, 6408590), (242, 3204295), (605, 1281718), (1210, 640859)]