201988415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{40847}}^1$

素因数の和:40918

約数の個数: 16

約数和(自身を含む): 258812928

約数和(自身を除く): 56824513

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 40847, 204235, 939481, 1756421, 4697405, 8782105, 40397683, 201988415]

約数ペア:

[(1, 201988415), (5, 40397683), (23, 8782105), (43, 4697405), (115, 1756421), (215, 939481), (989, 204235), (4945, 40847)]