209900438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{3671}}^1$

素因数の和:3820

約数の個数: 32

約数和(自身を含む): 361677312

約数和(自身を除く): 151776874

約数列:

[1, 2, 11, 22, 23, 46, 113, 226, 253, 506, 1243, 2486, 2599, 3671, 5198, 7342, 28589, 40381, 57178, 80762, 84433, 168866, 414823, 829646, 928763, 1857526, 4563053, 9126106, 9540929, 19081858, 104950219, 209900438]

約数ペア:

[(1, 209900438), (2, 104950219), (11, 19081858), (22, 9540929), (23, 9126106), (46, 4563053), (113, 1857526), (226, 928763), (253, 829646), (506, 414823), (1243, 168866), (2486, 84433), (2599, 80762), (3671, 57178), (5198, 40381), (7342, 28589)]