28705586

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1447}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 53518080

約数和(自身を除く): 24812494

約数列:

[1, 2, 7, 13, 14, 26, 91, 109, 182, 218, 763, 1417, 1447, 1526, 2834, 2894, 9919, 10129, 18811, 19838, 20258, 37622, 131677, 157723, 263354, 315446, 1104061, 2050399, 2208122, 4100798, 14352793, 28705586]

約数ペア:

[(1, 28705586), (2, 14352793), (7, 4100798), (13, 2208122), (14, 2050399), (26, 1104061), (91, 315446), (109, 263354), (182, 157723), (218, 131677), (763, 37622), (1417, 20258), (1447, 19838), (1526, 18811), (2834, 10129), (2894, 9919)]