219951966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{65579}}^1$

素因数の和:65640

約数の個数: 32

約数和(自身を含む): 484767360

約数和(自身を除く): 264815394

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 65579, 131158, 196737, 393474, 852527, 1705054, 2557581, 2819897, 5115162, 5639794, 8459691, 16919382, 36658661, 73317322, 109975983, 219951966]

約数ペア:

[(1, 219951966), (2, 109975983), (3, 73317322), (6, 36658661), (13, 16919382), (26, 8459691), (39, 5639794), (43, 5115162), (78, 2819897), (86, 2557581), (129, 1705054), (258, 852527), (559, 393474), (1118, 196737), (1677, 131158), (3354, 65579)]