231021475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3499}}^1$

素因数の和:3667

約数の個数: 24

約数和(自身を含む): 303800000

約数和(自身を除く): 72778525

約数列:

[1, 5, 19, 25, 95, 139, 475, 695, 2641, 3475, 3499, 13205, 17495, 66025, 66481, 87475, 332405, 486361, 1662025, 2431805, 9240859, 12159025, 46204295, 231021475]

約数ペア:

[(1, 231021475), (5, 46204295), (19, 12159025), (25, 9240859), (95, 2431805), (139, 1662025), (475, 486361), (695, 332405), (2641, 87475), (3475, 66481), (3499, 66025), (13205, 17495)]