12909890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4289}}^1$

素因数の和:4346

約数の個数: 32

約数和(自身を含む): 27181440

約数和(自身を除く): 14271550

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 4289, 8578, 21445, 30023, 42890, 60046, 150115, 184427, 300230, 368854, 922135, 1290989, 1844270, 2581978, 6454945, 12909890]

約数ペア:

[(1, 12909890), (2, 6454945), (5, 2581978), (7, 1844270), (10, 1290989), (14, 922135), (35, 368854), (43, 300230), (70, 184427), (86, 150115), (215, 60046), (301, 42890), (430, 30023), (602, 21445), (1505, 8578), (3010, 4289)]