1647163994

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^2\times {\mathrm{2971}}^1$

素因数の和:3378

約数の個数: 24

約数和(自身を含む): 2838925728

約数和(自身を除く): 1191761734

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 2971, 5942, 20797, 39601, 41594, 79202, 277207, 554414, 591229, 1182458, 4138603, 8277206, 117654571, 235309142, 823581997, 1647163994]

約数ペア:

[(1, 1647163994), (2, 823581997), (7, 235309142), (14, 117654571), (199, 8277206), (398, 4138603), (1393, 1182458), (2786, 591229), (2971, 554414), (5942, 277207), (20797, 79202), (39601, 41594)]