201648865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 272305152

約数和(自身を除く): 70656287

約数列:

[1, 5, 11, 41, 55, 205, 223, 401, 451, 1115, 2005, 2255, 2453, 4411, 9143, 12265, 16441, 22055, 45715, 82205, 89423, 100573, 180851, 447115, 502865, 904255, 983653, 3666343, 4918265, 18331715, 40329773, 201648865]

約数ペア:

[(1, 201648865), (5, 40329773), (11, 18331715), (41, 4918265), (55, 3666343), (205, 983653), (223, 904255), (401, 502865), (451, 447115), (1115, 180851), (2005, 100573), (2255, 89423), (2453, 82205), (4411, 45715), (9143, 22055), (12265, 16441)]