16905235

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 21114720

約数和(自身を除く): 4209485

約数列:

[1, 5, 43, 61, 215, 305, 1289, 2623, 6445, 13115, 55427, 78629, 277135, 393145, 3381047, 16905235]

約数ペア:

[(1, 16905235), (5, 3381047), (43, 393145), (61, 277135), (215, 78629), (305, 55427), (1289, 13115), (2623, 6445)]