201991376503

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{7252051}}^1$

素因数の和:7252254

約数の個数: 16

約数和(自身を含む): 242276553216

約数和(自身を除く): 40285176713

約数列:

[1, 7, 23, 161, 173, 1211, 3979, 27853, 7252051, 50764357, 166797173, 1167580211, 1254604823, 8782233761, 28855910929, 201991376503]

約数ペア:

[(1, 201991376503), (7, 28855910929), (23, 8782233761), (161, 1254604823), (173, 1167580211), (1211, 166797173), (3979, 50764357), (27853, 7252051)]