257505215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{114193}}^1$

素因数の和:114250

約数の個数: 16

約数和(自身を含む): 345322656

約数和(自身を除く): 87817441

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 114193, 570965, 1256123, 4681913, 6280615, 23409565, 51501043, 257505215]

約数ペア:

[(1, 257505215), (5, 51501043), (11, 23409565), (41, 6280615), (55, 4681913), (205, 1256123), (451, 570965), (2255, 114193)]