208530575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1229}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 282772080

約数和(自身を除く): 74241505

約数列:

[1, 5, 11, 25, 55, 275, 617, 1229, 3085, 6145, 6787, 13519, 15425, 30725, 33935, 67595, 169675, 337975, 758293, 3791465, 8341223, 18957325, 41706115, 208530575]

約数ペア:

[(1, 208530575), (5, 41706115), (11, 18957325), (25, 8341223), (55, 3791465), (275, 758293), (617, 337975), (1229, 169675), (3085, 67595), (6145, 33935), (6787, 30725), (13519, 15425)]