98971475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 130200000

約数和(自身を除く): 31228525

約数列:

[1, 5, 19, 25, 95, 139, 475, 695, 1499, 2641, 3475, 7495, 13205, 28481, 37475, 66025, 142405, 208361, 712025, 1041805, 3958859, 5209025, 19794295, 98971475]

約数ペア:

[(1, 98971475), (5, 19794295), (19, 5209025), (25, 3958859), (95, 1041805), (139, 712025), (475, 208361), (695, 142405), (1499, 66025), (2641, 37475), (3475, 28481), (7495, 13205)]