218355312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{649867}}^1$

素因数の和:649885

約数の個数: 40

約数和(自身を含む): 644669056

約数和(自身を除く): 426313744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 649867, 1299734, 1949601, 2599468, 3899202, 4549069, 5198936, 7798404, 9098138, 10397872, 13647207, 15596808, 18196276, 27294414, 31193616, 36392552, 54588828, 72785104, 109177656, 218355312]

約数ペア:

[(1, 218355312), (2, 109177656), (3, 72785104), (4, 54588828), (6, 36392552), (7, 31193616), (8, 27294414), (12, 18196276), (14, 15596808), (16, 13647207), (21, 10397872), (24, 9098138), (28, 7798404), (42, 5198936), (48, 4549069), (56, 3899202), (84, 2599468), (112, 1949601), (168, 1299734), (336, 649867)]