28886039

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 36561168

約数和(自身を除く): 7675129

約数列:

[1, 7, 13, 49, 91, 137, 331, 637, 959, 1781, 2317, 4303, 6713, 12467, 16219, 30121, 45347, 87269, 210847, 317429, 589511, 2222003, 4126577, 28886039]

約数ペア:

[(1, 28886039), (7, 4126577), (13, 2222003), (49, 589511), (91, 317429), (137, 210847), (331, 87269), (637, 45347), (959, 30121), (1781, 16219), (2317, 12467), (4303, 6713)]