1851265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 2520000

約数和(自身を除く): 668735

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 1499, 7495, 19487, 28481, 97435, 142405, 370253, 1851265]

約数ペア:

[(1, 1851265), (5, 370253), (13, 142405), (19, 97435), (65, 28481), (95, 19487), (247, 7495), (1235, 1499)]