128521309

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{46957}}^1$

素因数の和:47004

約数の個数: 16

約数和(自身を含む): 162286848

約数和(自身を除く): 33765539

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 46957, 328699, 798269, 1080011, 5587883, 7560077, 18360187, 128521309]

約数ペア:

[(1, 128521309), (7, 18360187), (17, 7560077), (23, 5587883), (119, 1080011), (161, 798269), (391, 328699), (2737, 46957)]