28757965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1753}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 36749808

約数和(自身を除く): 7991843

約数列:

[1, 5, 17, 85, 193, 965, 1753, 3281, 8765, 16405, 29801, 149005, 338329, 1691645, 5751593, 28757965]

約数ペア:

[(1, 28757965), (5, 5751593), (17, 1691645), (85, 338329), (193, 149005), (965, 29801), (1753, 16405), (3281, 8765)]