25768925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 40330752

約数和(自身を除く): 14561827

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 175, 235, 241, 325, 329, 455, 611, 1175, 1205, 1645, 1687, 2275, 3055, 3133, 4277, 6025, 8225, 8435, 11327, 15275, 15665, 21385, 21931, 42175, 56635, 78325, 79289, 106925, 109655, 147251, 283175, 396445, 548275, 736255, 1030757, 1982225, 3681275, 5153785, 25768925]

約数ペア:

[(1, 25768925), (5, 5153785), (7, 3681275), (13, 1982225), (25, 1030757), (35, 736255), (47, 548275), (65, 396445), (91, 283175), (175, 147251), (235, 109655), (241, 106925), (325, 79289), (329, 78325), (455, 56635), (611, 42175), (1175, 21931), (1205, 21385), (1645, 15665), (1687, 15275), (2275, 11327), (3055, 8435), (3133, 8225), (4277, 6025)]