977498416

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{243401}}^1$

素因数の和:243660

約数の個数: 20

約数和(自身を含む): 1901456424

約数和(自身を除く): 923958008

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 243401, 486802, 973604, 1947208, 3894416, 61093651, 122187302, 244374604, 488749208, 977498416]

約数ペア:

[(1, 977498416), (2, 488749208), (4, 244374604), (8, 122187302), (16, 61093651), (251, 3894416), (502, 1947208), (1004, 973604), (2008, 486802), (4016, 243401)]