215491318

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{51137}}^1$

素因数の和:51196

約数の個数: 24

約数和(自身を含む): 384762312

約数和(自身を除く): 169270994

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 51137, 102274, 357959, 715918, 2198891, 2505713, 4397782, 5011426, 15392237, 30784474, 107745659, 215491318]

約数ペア:

[(1, 215491318), (2, 107745659), (7, 30784474), (14, 15392237), (43, 5011426), (49, 4397782), (86, 2505713), (98, 2198891), (301, 715918), (602, 357959), (2107, 102274), (4214, 51137)]