209738207

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{23537}}^1$

素因数の和:23630

約数の個数: 16

約数和(自身を含む): 256093440

約数和(自身を除く): 46355233

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 23537, 164759, 447203, 1576979, 3130421, 11038853, 29962601, 209738207]

約数ペア:

[(1, 209738207), (7, 29962601), (19, 11038853), (67, 3130421), (133, 1576979), (469, 447203), (1273, 164759), (8911, 23537)]