28128793

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2269}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 37264320

約数和(自身を除く): 9135527

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 2269, 12397, 15883, 24959, 52187, 111181, 174713, 365309, 574057, 1222991, 2557163, 4018399, 28128793]

約数ペア:

[(1, 28128793), (7, 4018399), (11, 2557163), (23, 1222991), (49, 574057), (77, 365309), (161, 174713), (253, 111181), (539, 52187), (1127, 24959), (1771, 15883), (2269, 12397)]