81580178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{22013}}^1$

素因数の和:22141

約数の個数: 16

約数和(自身を含む): 130763160

約数和(自身を除く): 49182982

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 22013, 44026, 374221, 748442, 2399417, 4798834, 40790089, 81580178]

約数ペア:

[(1, 81580178), (2, 40790089), (17, 4798834), (34, 2399417), (109, 748442), (218, 374221), (1853, 44026), (3706, 22013)]