645157036

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1787}}^1\times {\mathrm{2099}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 1156478400

約数和(自身を除く): 511321364

約数列:

[1, 2, 4, 43, 86, 172, 1787, 2099, 3574, 4198, 7148, 8396, 76841, 90257, 153682, 180514, 307364, 361028, 3750913, 7501826, 15003652, 161289259, 322578518, 645157036]

約数ペア:

[(1, 645157036), (2, 322578518), (4, 161289259), (43, 15003652), (86, 7501826), (172, 3750913), (1787, 361028), (2099, 307364), (3574, 180514), (4198, 153682), (7148, 90257), (8396, 76841)]