199754855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{15527}}^1$

素因数の和:15646

約数の個数: 16

約数和(自身を含む): 250435584

約数和(自身を除く): 50680729

約数列:

[1, 5, 31, 83, 155, 415, 2573, 12865, 15527, 77635, 481337, 1288741, 2406685, 6443705, 39950971, 199754855]

約数ペア:

[(1, 199754855), (5, 39950971), (31, 6443705), (83, 2406685), (155, 1288741), (415, 481337), (2573, 77635), (12865, 15527)]