203909881

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 54138119

約数列:

[1, 7, 19, 23, 133, 161, 191, 349, 437, 1337, 2443, 3059, 3629, 4393, 6631, 8027, 25403, 30751, 46417, 56189, 66659, 83467, 152513, 466613, 584269, 1067591, 1266521, 1533157, 8865647, 10732099, 29129983, 203909881]

約数ペア:

[(1, 203909881), (7, 29129983), (19, 10732099), (23, 8865647), (133, 1533157), (161, 1266521), (191, 1067591), (349, 584269), (437, 466613), (1337, 152513), (2443, 83467), (3059, 66659), (3629, 56189), (4393, 46417), (6631, 30751), (8027, 25403)]