217499219

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{11311}}^1$

素因数の和:11426

約数の個数: 16

約数和(自身を含む): 258456576

約数和(自身を除く): 40957357

約数列:

[1, 7, 41, 67, 287, 469, 2747, 11311, 19229, 79177, 463751, 757837, 3246257, 5304859, 31071317, 217499219]

約数ペア:

[(1, 217499219), (7, 31071317), (41, 5304859), (67, 3246257), (287, 757837), (469, 463751), (2747, 79177), (11311, 19229)]