720842978

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{83219}}^1$

素因数の和:83353

約数の個数: 16

約数和(自身を含む): 1114482240

約数和(自身を除く): 393639262

約数列:

[1, 2, 61, 71, 122, 142, 4331, 8662, 83219, 166438, 5076359, 5908549, 10152718, 11817098, 360421489, 720842978]

約数ペア:

[(1, 720842978), (2, 360421489), (61, 11817098), (71, 10152718), (122, 5908549), (142, 5076359), (4331, 166438), (8662, 83219)]