1288671644

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^2\times {\mathrm{1031}}^1$

素因数の和:1147

約数の個数: 54

約数和(自身を含む): 2502530856

約数和(自身を除く): 1213859212

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 1031, 1118, 1849, 2062, 2236, 3698, 4124, 7267, 7396, 13403, 14534, 24037, 26806, 29068, 44333, 48074, 53612, 88666, 96148, 174239, 177332, 312481, 348478, 576329, 624962, 696956, 1152658, 1249924, 1906319, 2305316, 3812638, 7492277, 7625276, 14984554, 24782147, 29969108, 49564294, 99128588, 322167911, 644335822, 1288671644]

約数ペア:

[(1, 1288671644), (2, 644335822), (4, 322167911), (13, 99128588), (26, 49564294), (43, 29969108), (52, 24782147), (86, 14984554), (169, 7625276), (172, 7492277), (338, 3812638), (559, 2305316), (676, 1906319), (1031, 1249924), (1118, 1152658), (1849, 696956), (2062, 624962), (2236, 576329), (3698, 348478), (4124, 312481), (7267, 177332), (7396, 174239), (13403, 96148), (14534, 88666), (24037, 53612), (26806, 48074), (29068, 44333)]