66788272

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{25609}}^1$

素因数の和:25780

約数の個数: 20

約数和(自身を含む): 130201240

約数和(自身を除く): 63412968

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 25609, 51218, 102436, 204872, 409744, 4174267, 8348534, 16697068, 33394136, 66788272]

約数ペア:

[(1, 66788272), (2, 33394136), (4, 16697068), (8, 8348534), (16, 4174267), (163, 409744), (326, 204872), (652, 102436), (1304, 51218), (2608, 25609)]