251859686

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 432512640

約数和(自身を除く): 180652954

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 169, 338, 403, 559, 806, 1118, 1333, 1849, 2197, 2666, 3698, 4394, 5239, 7267, 10478, 14534, 17329, 24037, 34658, 48074, 57319, 68107, 94471, 114638, 136214, 188942, 225277, 312481, 450554, 624962, 745147, 1490294, 2928601, 4062253, 5857202, 8124506, 9686911, 19373822, 125929843, 251859686]

約数ペア:

[(1, 251859686), (2, 125929843), (13, 19373822), (26, 9686911), (31, 8124506), (43, 5857202), (62, 4062253), (86, 2928601), (169, 1490294), (338, 745147), (403, 624962), (559, 450554), (806, 312481), (1118, 225277), (1333, 188942), (1849, 136214), (2197, 114638), (2666, 94471), (3698, 68107), (4394, 57319), (5239, 48074), (7267, 34658), (10478, 24037), (14534, 17329)]