1660456

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 3600000

約数和(自身を除く): 1939544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 199, 298, 398, 596, 796, 1043, 1192, 1393, 1592, 2086, 2786, 4172, 5572, 8344, 11144, 29651, 59302, 118604, 207557, 237208, 415114, 830228, 1660456]

約数ペア:

[(1, 1660456), (2, 830228), (4, 415114), (7, 237208), (8, 207557), (14, 118604), (28, 59302), (56, 29651), (149, 11144), (199, 8344), (298, 5572), (398, 4172), (596, 2786), (796, 2086), (1043, 1592), (1192, 1393)]