27776818

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:993

約数の個数: 16

約数和(自身を含む): 42350400

約数和(自身を除く): 14573582

約数列:

[1, 2, 101, 199, 202, 398, 691, 1382, 20099, 40198, 69791, 137509, 139582, 275018, 13888409, 27776818]

約数ペア:

[(1, 27776818), (2, 13888409), (101, 275018), (199, 139582), (202, 137509), (398, 69791), (691, 40198), (1382, 20099)]