289312828

素因数分解:

$2^2\times 7^1\times {\mathrm{1973}}^1\times {\mathrm{5237}}^1$

素因数の和:7221

約数の個数: 24

約数和(自身を含む): 579029472

約数和(自身を除く): 289716644

約数列:

[1, 2, 4, 7, 14, 28, 1973, 3946, 5237, 7892, 10474, 13811, 20948, 27622, 36659, 55244, 73318, 146636, 10332601, 20665202, 41330404, 72328207, 144656414, 289312828]

約数ペア:

[(1, 289312828), (2, 144656414), (4, 72328207), (7, 41330404), (14, 20665202), (28, 10332601), (1973, 146636), (3946, 73318), (5237, 55244), (7892, 36659), (10474, 27622), (13811, 20948)]