1330881538

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{397753}}^1$

素因数の和:398001

約数の個数: 16

約数和(自身を含む): 2291063040

約数和(自身を除く): 960181502

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 397753, 795506, 2784271, 5568542, 95062967, 190125934, 665440769, 1330881538]

約数ペア:

[(1, 1330881538), (2, 665440769), (7, 190125934), (14, 95062967), (239, 5568542), (478, 2784271), (1673, 795506), (3346, 397753)]