201991724095

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{38732833}}^1$

素因数の和:38732994

約数の個数: 16

約数和(自身を含む): 278876404800

約数和(自身を除く): 76884680705

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 38732833, 193664165, 271129831, 1355649155, 5771192117, 28855960585, 40398344819, 201991724095]

約数ペア:

[(1, 201991724095), (5, 40398344819), (7, 28855960585), (35, 5771192117), (149, 1355649155), (745, 271129831), (1043, 193664165), (5215, 38732833)]