28917265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 39223296

約数和(自身を除く): 10306031

約数列:

[1, 5, 13, 31, 65, 113, 127, 155, 403, 565, 635, 1469, 1651, 2015, 3503, 3937, 7345, 8255, 14351, 17515, 19685, 45539, 51181, 71755, 186563, 227695, 255905, 444881, 932815, 2224405, 5783453, 28917265]

約数ペア:

[(1, 28917265), (5, 5783453), (13, 2224405), (31, 932815), (65, 444881), (113, 255905), (127, 227695), (155, 186563), (403, 71755), (565, 51181), (635, 45539), (1469, 19685), (1651, 17515), (2015, 14351), (3503, 8255), (3937, 7345)]