28771204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 63423360

約数和(自身を除く): 34652156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 763, 857, 1199, 1526, 1714, 2398, 3052, 3428, 4796, 5999, 8393, 9427, 11998, 16786, 18854, 23996, 33572, 37708, 65989, 93413, 131978, 186826, 263956, 373652, 653891, 1027543, 1307782, 2055086, 2615564, 4110172, 7192801, 14385602, 28771204]

約数ペア:

[(1, 28771204), (2, 14385602), (4, 7192801), (7, 4110172), (11, 2615564), (14, 2055086), (22, 1307782), (28, 1027543), (44, 653891), (77, 373652), (109, 263956), (154, 186826), (218, 131978), (308, 93413), (436, 65989), (763, 37708), (857, 33572), (1199, 23996), (1526, 18854), (1714, 16786), (2398, 11998), (3052, 9427), (3428, 8393), (4796, 5999)]