66897904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{58889}}^1$

素因数の和:58968

約数の個数: 20

約数和(自身を含む): 131442480

約数和(自身を除く): 64544576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 58889, 117778, 235556, 471112, 942224, 4181119, 8362238, 16724476, 33448952, 66897904]

約数ペア:

[(1, 66897904), (2, 33448952), (4, 16724476), (8, 8362238), (16, 4181119), (71, 942224), (142, 471112), (284, 235556), (568, 117778), (1136, 58889)]