80666426

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{3673}}^1$

素因数の和:3893

約数の個数: 16

約数和(自身を含む): 123446400

約数和(自身を除く): 42779974

約数列:

[1, 2, 79, 139, 158, 278, 3673, 7346, 10981, 21962, 290167, 510547, 580334, 1021094, 40333213, 80666426]

約数ペア:

[(1, 80666426), (2, 40333213), (79, 1021094), (139, 580334), (158, 510547), (278, 290167), (3673, 21962), (7346, 10981)]