684221426

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2572261}}^1$

素因数の和:2572289

約数の個数: 16

約数和(自身を含む): 1234685760

約数和(自身を除く): 550464334

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2572261, 5144522, 18005827, 36011654, 48872959, 97745918, 342110713, 684221426]

約数ペア:

[(1, 684221426), (2, 342110713), (7, 97745918), (14, 48872959), (19, 36011654), (38, 18005827), (133, 5144522), (266, 2572261)]