259048865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{40763}}^1$

素因数の和:40840

約数の個数: 16

約数和(自身を含む): 328720896

約数和(自身を除く): 69672031

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 40763, 203815, 1263653, 1671283, 6318265, 8356415, 51809773, 259048865]

約数ペア:

[(1, 259048865), (5, 51809773), (31, 8356415), (41, 6318265), (155, 1671283), (205, 1263653), (1271, 203815), (6355, 40763)]