28220478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 68511744

約数和(自身を除く): 40291266

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 341, 403, 429, 682, 806, 858, 1023, 1061, 1209, 2046, 2122, 2418, 3183, 4433, 6366, 8866, 11671, 13299, 13793, 23342, 26598, 27586, 32891, 35013, 41379, 65782, 70026, 82758, 98673, 151723, 197346, 303446, 361801, 427583, 455169, 723602, 855166, 910338, 1085403, 1282749, 2170806, 2565498, 4703413, 9406826, 14110239, 28220478]

約数ペア:

[(1, 28220478), (2, 14110239), (3, 9406826), (6, 4703413), (11, 2565498), (13, 2170806), (22, 1282749), (26, 1085403), (31, 910338), (33, 855166), (39, 723602), (62, 455169), (66, 427583), (78, 361801), (93, 303446), (143, 197346), (186, 151723), (286, 98673), (341, 82758), (403, 70026), (429, 65782), (682, 41379), (806, 35013), (858, 32891), (1023, 27586), (1061, 26598), (1209, 23342), (2046, 13793), (2122, 13299), (2418, 11671), (3183, 8866), (4433, 6366)]