262961425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{29137}}^1$

素因数の和:29185

約数の個数: 18

約数和(自身を含む): 344148918

約数和(自身を除く): 81187493

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 29137, 145685, 553603, 728425, 2768015, 10518457, 13840075, 52592285, 262961425]

約数ペア:

[(1, 262961425), (5, 52592285), (19, 13840075), (25, 10518457), (95, 2768015), (361, 728425), (475, 553603), (1805, 145685), (9025, 29137)]