28441315

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4003}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 41081040

約数和(自身を除く): 12639725

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 4003, 7105, 20015, 28021, 116087, 140105, 196147, 580435, 812609, 980735, 4063045, 5688263, 28441315]

約数ペア:

[(1, 28441315), (5, 5688263), (7, 4063045), (29, 980735), (35, 812609), (49, 580435), (145, 196147), (203, 140105), (245, 116087), (1015, 28021), (1421, 20015), (4003, 7105)]