1856491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 2386944

約数和(自身を除く): 530453

約数列:

[1, 7, 13, 23, 91, 161, 299, 887, 2093, 6209, 11531, 20401, 80717, 142807, 265213, 1856491]

約数ペア:

[(1, 1856491), (7, 265213), (13, 142807), (23, 80717), (91, 20401), (161, 11531), (299, 6209), (887, 2093)]