205963664

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{313969}}^1$

素因数の和:314018

約数の個数: 20

約数和(自身を含む): 408788940

約数和(自身を除く): 202825276

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 313969, 627938, 1255876, 2511752, 5023504, 12872729, 25745458, 51490916, 102981832, 205963664]

約数ペア:

[(1, 205963664), (2, 102981832), (4, 51490916), (8, 25745458), (16, 12872729), (41, 5023504), (82, 2511752), (164, 1255876), (328, 627938), (656, 313969)]