28776275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 39171600

約数和(自身を除く): 10395325

約数列:

[1, 5, 11, 25, 55, 269, 275, 389, 1345, 1945, 2959, 4279, 6725, 9725, 14795, 21395, 73975, 104641, 106975, 523205, 1151051, 2616025, 5755255, 28776275]

約数ペア:

[(1, 28776275), (5, 5755255), (11, 2616025), (25, 1151051), (55, 523205), (269, 106975), (275, 104641), (389, 73975), (1345, 21395), (1945, 14795), (2959, 9725), (4279, 6725)]