68940464

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{51913}}^1$

素因数の和:52004

約数の個数: 20

約数和(自身を含む): 135184056

約数和(自身を除く): 66243592

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 51913, 103826, 207652, 415304, 830608, 4308779, 8617558, 17235116, 34470232, 68940464]

約数ペア:

[(1, 68940464), (2, 34470232), (4, 17235116), (8, 8617558), (16, 4308779), (83, 830608), (166, 415304), (332, 207652), (664, 103826), (1328, 51913)]