2471425

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 36

約数和(自身を含む): 3628240

約数和(自身を除く): 1156815

約数列:

[1, 5, 11, 19, 25, 43, 55, 95, 121, 209, 215, 275, 473, 475, 605, 817, 1045, 1075, 2299, 2365, 3025, 4085, 5203, 5225, 8987, 11495, 11825, 20425, 26015, 44935, 57475, 98857, 130075, 224675, 494285, 2471425]

約数ペア:

[(1, 2471425), (5, 494285), (11, 224675), (19, 130075), (25, 98857), (43, 57475), (55, 44935), (95, 26015), (121, 20425), (209, 11825), (215, 11495), (275, 8987), (473, 5225), (475, 5203), (605, 4085), (817, 3025), (1045, 2365), (1075, 2299)]