28579265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{39971}}^1$

素因数の和:40000

約数の個数: 16

約数和(自身を含む): 40291776

約数和(自身を除く): 11712511

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 39971, 199855, 439681, 519623, 2198405, 2598115, 5715853, 28579265]

約数ペア:

[(1, 28579265), (5, 5715853), (11, 2598115), (13, 2198405), (55, 519623), (65, 439681), (143, 199855), (715, 39971)]