291207281

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{4073}}^1$

素因数の和:4216

約数の個数: 16

約数和(自身を含む): 316794240

約数和(自身を除く): 25586959

約数列:

[1, 19, 53, 71, 1007, 1349, 3763, 4073, 71497, 77387, 215869, 289183, 4101511, 5494477, 15326699, 291207281]

約数ペア:

[(1, 291207281), (19, 15326699), (53, 5494477), (71, 4101511), (1007, 289183), (1349, 215869), (3763, 77387), (4073, 71497)]