22170815

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 28639008

約数和(自身を除く): 6468193

約数列:

[1, 5, 19, 71, 95, 173, 355, 361, 865, 1349, 1805, 3287, 6745, 12283, 16435, 25631, 61415, 62453, 128155, 233377, 312265, 1166885, 4434163, 22170815]

約数ペア:

[(1, 22170815), (5, 4434163), (19, 1166885), (71, 312265), (95, 233377), (173, 128155), (355, 62453), (361, 61415), (865, 25631), (1349, 16435), (1805, 12283), (3287, 6745)]