217231728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{646523}}^1$

素因数の和:646541

約数の個数: 40

約数和(自身を含む): 641351808

約数和(自身を除く): 424120080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 646523, 1293046, 1939569, 2586092, 3879138, 4525661, 5172184, 7758276, 9051322, 10344368, 13576983, 15516552, 18102644, 27153966, 31033104, 36205288, 54307932, 72410576, 108615864, 217231728]

約数ペア:

[(1, 217231728), (2, 108615864), (3, 72410576), (4, 54307932), (6, 36205288), (7, 31033104), (8, 27153966), (12, 18102644), (14, 15516552), (16, 13576983), (21, 10344368), (24, 9051322), (28, 7758276), (42, 5172184), (48, 4525661), (56, 3879138), (84, 2586092), (112, 1939569), (168, 1293046), (336, 646523)]