79881997

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1997}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 91636272

約数和(自身を除く): 11754275

約数列:

[1, 13, 17, 181, 221, 1997, 2353, 3077, 25961, 33949, 40001, 361457, 441337, 4698941, 6144769, 79881997]

約数ペア:

[(1, 79881997), (13, 6144769), (17, 4698941), (181, 441337), (221, 361457), (1997, 40001), (2353, 33949), (3077, 25961)]