253945604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{524681}}^1$

素因数の和:524707

約数の個数: 18

約数和(自身を含む): 488478942

約数和(自身を除く): 234533338

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 524681, 1049362, 2098724, 5771491, 11542982, 23085964, 63486401, 126972802, 253945604]

約数ペア:

[(1, 253945604), (2, 126972802), (4, 63486401), (11, 23085964), (22, 11542982), (44, 5771491), (121, 2098724), (242, 1049362), (484, 524681)]