215705231

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{38567}}^1$

素因数の和:38638

約数の個数: 16

約数和(自身を含む): 266582016

約数和(自身を除く): 50876785

約数列:

[1, 7, 17, 47, 119, 329, 799, 5593, 38567, 269969, 655639, 1812649, 4589473, 12688543, 30815033, 215705231]

約数ペア:

[(1, 215705231), (7, 30815033), (17, 12688543), (47, 4589473), (119, 1812649), (329, 655639), (799, 269969), (5593, 38567)]