289248421

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31567}}^1$

素因数の和:31609

約数の個数: 24

約数和(自身を含む): 388665216

約数和(自身を除く): 99416795

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 9163, 31567, 220969, 347237, 536639, 1546783, 2430659, 3756473, 5903029, 17014613, 26295311, 41321203, 289248421]

約数ペア:

[(1, 289248421), (7, 41321203), (11, 26295311), (17, 17014613), (49, 5903029), (77, 3756473), (119, 2430659), (187, 1546783), (539, 536639), (833, 347237), (1309, 220969), (9163, 31567)]