720278542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{316189}}^1$

素因数の和:316275

約数の個数: 16

約数和(自身を含む): 1161049680

約数和(自身を除く): 440771138

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 316189, 632378, 5375213, 10750426, 21184663, 42369326, 360139271, 720278542]

約数ペア:

[(1, 720278542), (2, 360139271), (17, 42369326), (34, 21184663), (67, 10750426), (134, 5375213), (1139, 632378), (2278, 316189)]