248405905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{12511}}^1$

素因数の和:12565

約数の個数: 24

約数和(自身を含む): 343229184

約数和(自身を除く): 94823279

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 12511, 19855, 62555, 137621, 237709, 688105, 1188545, 2614799, 4516471, 13073995, 22582355, 49681181, 248405905]

約数ペア:

[(1, 248405905), (5, 49681181), (11, 22582355), (19, 13073995), (55, 4516471), (95, 2614799), (209, 1188545), (361, 688105), (1045, 237709), (1805, 137621), (3971, 62555), (12511, 19855)]