28478825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{593}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 37785528

約数和(自身を除く): 9306703

約数列:

[1, 5, 17, 25, 85, 113, 425, 565, 593, 1921, 2825, 2965, 9605, 10081, 14825, 48025, 50405, 67009, 252025, 335045, 1139153, 1675225, 5695765, 28478825]

約数ペア:

[(1, 28478825), (5, 5695765), (17, 1675225), (25, 1139153), (85, 335045), (113, 252025), (425, 67009), (565, 50405), (593, 48025), (1921, 14825), (2825, 10081), (2965, 9605)]