201991460734

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{72502319}}^1$

素因数の和:72502527

約数の個数: 16

約数和(自身を含む): 348011136000

約数和(自身を除く): 146019675266

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 72502319, 145004638, 507516233, 1015032466, 14427961481, 28855922962, 100995730367, 201991460734]

約数ペア:

[(1, 201991460734), (2, 100995730367), (7, 28855922962), (14, 14427961481), (199, 1015032466), (398, 507516233), (1393, 145004638), (2786, 72502319)]