16521890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 21494110

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 499, 602, 770, 946, 998, 1505, 2365, 2495, 3010, 3311, 3493, 4730, 4990, 5489, 6622, 6986, 10978, 16555, 17465, 21457, 27445, 33110, 34930, 38423, 42914, 54890, 76846, 107285, 150199, 192115, 214570, 236027, 300398, 384230, 472054, 750995, 1180135, 1501990, 1652189, 2360270, 3304378, 8260945, 16521890]

約数ペア:

[(1, 16521890), (2, 8260945), (5, 3304378), (7, 2360270), (10, 1652189), (11, 1501990), (14, 1180135), (22, 750995), (35, 472054), (43, 384230), (55, 300398), (70, 236027), (77, 214570), (86, 192115), (110, 150199), (154, 107285), (215, 76846), (301, 54890), (385, 42914), (430, 38423), (473, 34930), (499, 33110), (602, 27445), (770, 21457), (946, 17465), (998, 16555), (1505, 10978), (2365, 6986), (2495, 6622), (3010, 5489), (3311, 4990), (3493, 4730)]