1278804542

素因数分解:

$2^1\times {\mathrm{1021}}^1\times {\mathrm{626251}}^1$

素因数の和:627274

約数の個数: 8

約数和(自身を含む): 1920088632

約数和(自身を除く): 641284090

約数列:

[1, 2, 1021, 2042, 626251, 1252502, 639402271, 1278804542]

約数ペア:

[(1, 1278804542), (2, 639402271), (1021, 1252502), (2042, 626251)]