51414475

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:137

約数の個数: 54

約数和(自身を含む): 79762380

約数和(自身を除く): 28347905

約数列:

[1, 5, 7, 19, 25, 35, 47, 49, 95, 133, 175, 235, 245, 329, 475, 665, 893, 931, 1175, 1225, 1645, 2209, 2303, 3325, 4465, 4655, 6251, 8225, 11045, 11515, 15463, 22325, 23275, 31255, 41971, 43757, 55225, 57575, 77315, 108241, 156275, 209855, 218785, 293797, 386575, 541205, 1049275, 1093925, 1468985, 2056579, 2706025, 7344925, 10282895, 51414475]

約数ペア:

[(1, 51414475), (5, 10282895), (7, 7344925), (19, 2706025), (25, 2056579), (35, 1468985), (47, 1093925), (49, 1049275), (95, 541205), (133, 386575), (175, 293797), (235, 218785), (245, 209855), (329, 156275), (475, 108241), (665, 77315), (893, 57575), (931, 55225), (1175, 43757), (1225, 41971), (1645, 31255), (2209, 23275), (2303, 22325), (3325, 15463), (4465, 11515), (4655, 11045), (6251, 8225)]