28297790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69019}}^1$

素因数の和:69067

約数の個数: 16

約数和(自身を含む): 52179120

約数和(自身を除く): 23881330

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 69019, 138038, 345095, 690190, 2829779, 5659558, 14148895, 28297790]

約数ペア:

[(1, 28297790), (2, 14148895), (5, 5659558), (10, 2829779), (41, 690190), (82, 345095), (205, 138038), (410, 69019)]