28361255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4003}}^1$

素因数の和:4130

約数の個数: 16

約数和(自身を含む): 36996960

約数和(自身を除く): 8635705

約数列:

[1, 5, 13, 65, 109, 545, 1417, 4003, 7085, 20015, 52039, 260195, 436327, 2181635, 5672251, 28361255]

約数ペア:

[(1, 28361255), (5, 5672251), (13, 2181635), (65, 436327), (109, 260195), (545, 52039), (1417, 20015), (4003, 7085)]