668831478

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{324991}}^1$

素因数の和:325017

約数の個数: 32

約数和(自身を含む): 1559961600

約数和(自身を除く): 891130122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 324991, 649982, 974973, 1949946, 2274937, 4549874, 6824811, 13649622, 15924559, 31849118, 47773677, 95547354, 111471913, 222943826, 334415739, 668831478]

約数ペア:

[(1, 668831478), (2, 334415739), (3, 222943826), (6, 111471913), (7, 95547354), (14, 47773677), (21, 31849118), (42, 15924559), (49, 13649622), (98, 6824811), (147, 4549874), (294, 2274937), (343, 1949946), (686, 974973), (1029, 649982), (2058, 324991)]