2538445

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 3820824

約数和(自身を除く): 1282379

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 797, 3185, 3985, 5579, 10361, 27895, 39053, 51805, 72527, 195265, 362635, 507689, 2538445]

約数ペア:

[(1, 2538445), (5, 507689), (7, 362635), (13, 195265), (35, 72527), (49, 51805), (65, 39053), (91, 27895), (245, 10361), (455, 5579), (637, 3985), (797, 3185)]