381998045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1217}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 540207360

約数和(自身を除く): 158209315

約数列:

[1, 5, 11, 13, 55, 65, 143, 439, 715, 1217, 2195, 4829, 5707, 6085, 13387, 15821, 24145, 28535, 62777, 66935, 79105, 174031, 313885, 534263, 870155, 2671315, 5876893, 6945419, 29384465, 34727095, 76399609, 381998045]

約数ペア:

[(1, 381998045), (5, 76399609), (11, 34727095), (13, 29384465), (55, 6945419), (65, 5876893), (143, 2671315), (439, 870155), (715, 534263), (1217, 313885), (2195, 174031), (4829, 79105), (5707, 66935), (6085, 62777), (13387, 28535), (15821, 24145)]