4239778

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:393

約数の個数: 16

約数和(自身を含む): 6511680

約数和(自身を除く): 2271902

約数列:

[1, 2, 101, 139, 151, 202, 278, 302, 14039, 15251, 20989, 28078, 30502, 41978, 2119889, 4239778]

約数ペア:

[(1, 4239778), (2, 2119889), (101, 41978), (139, 30502), (151, 28078), (202, 20989), (278, 15251), (302, 14039)]