80491918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 133862400

約数和(自身を除く): 53370482

約数列:

[1, 2, 13, 26, 47, 94, 199, 331, 398, 611, 662, 1222, 2587, 4303, 5174, 8606, 9353, 15557, 18706, 31114, 65869, 121589, 131738, 202241, 243178, 404482, 856297, 1712594, 3095843, 6191686, 40245959, 80491918]

約数ペア:

[(1, 80491918), (2, 40245959), (13, 6191686), (26, 3095843), (47, 1712594), (94, 856297), (199, 404482), (331, 243178), (398, 202241), (611, 131738), (662, 121589), (1222, 65869), (2587, 31114), (4303, 18706), (5174, 15557), (8606, 9353)]