281351090

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{419927}}^1$

素因数の和:420001

約数の個数: 16

約数和(自身を含む): 513991872

約数和(自身を除く): 232640782

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 419927, 839854, 2099635, 4199270, 28135109, 56270218, 140675545, 281351090]

約数ペア:

[(1, 281351090), (2, 140675545), (5, 56270218), (10, 28135109), (67, 4199270), (134, 2099635), (335, 839854), (670, 419927)]