64780072

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{5813}}^1$

素因数の和:6025

約数の個数: 32

約数和(自身を含む): 139536000

約数和(自身を除く): 74755928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 5813, 11144, 11626, 23252, 40691, 46504, 81382, 162764, 325528, 1156787, 2313574, 4627148, 8097509, 9254296, 16195018, 32390036, 64780072]

約数ペア:

[(1, 64780072), (2, 32390036), (4, 16195018), (7, 9254296), (8, 8097509), (14, 4627148), (28, 2313574), (56, 1156787), (199, 325528), (398, 162764), (796, 81382), (1393, 46504), (1592, 40691), (2786, 23252), (5572, 11626), (5813, 11144)]