16890775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3613}}^1$

素因数の和:3651

約数の個数: 24

約数和(自身を含む): 24199344

約数和(自身を除く): 7308569

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 3613, 4675, 18065, 39743, 61421, 90325, 198715, 307105, 675631, 993575, 1535525, 3378155, 16890775]

約数ペア:

[(1, 16890775), (5, 3378155), (11, 1535525), (17, 993575), (25, 675631), (55, 307105), (85, 198715), (187, 90325), (275, 61421), (425, 39743), (935, 18065), (3613, 4675)]