26565916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^2$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 51705192

約数和(自身を除く): 25139276

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 109, 172, 218, 436, 559, 1118, 1417, 2236, 2834, 4687, 5668, 9374, 11881, 18748, 23762, 47524, 60931, 121862, 154453, 243724, 308906, 510883, 617812, 1021766, 2043532, 6641479, 13282958, 26565916]

約数ペア:

[(1, 26565916), (2, 13282958), (4, 6641479), (13, 2043532), (26, 1021766), (43, 617812), (52, 510883), (86, 308906), (109, 243724), (172, 154453), (218, 121862), (436, 60931), (559, 47524), (1118, 23762), (1417, 18748), (2236, 11881), (2834, 9374), (4687, 5668)]