28947556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59809}}^1$

素因数の和:59835

約数の個数: 18

約数和(自身を含む): 55683110

約数和(自身を除く): 26735554

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 59809, 119618, 239236, 657899, 1315798, 2631596, 7236889, 14473778, 28947556]

約数ペア:

[(1, 28947556), (2, 14473778), (4, 7236889), (11, 2631596), (22, 1315798), (44, 657899), (121, 239236), (242, 119618), (484, 59809)]