261756385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{19913}}^1$

素因数の和:20168

約数の個数: 16

約数和(自身を含む): 344113920

約数和(自身を除く): 82357535

約数列:

[1, 5, 11, 55, 239, 1195, 2629, 13145, 19913, 99565, 219043, 1095215, 4759207, 23796035, 52351277, 261756385]

約数ペア:

[(1, 261756385), (5, 52351277), (11, 23796035), (55, 4759207), (239, 1095215), (1195, 219043), (2629, 99565), (13145, 19913)]