25878335

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 41140224

約数和(自身を除く): 15261889

約数列:

[1, 5, 7, 17, 23, 31, 35, 61, 85, 115, 119, 155, 161, 217, 305, 391, 427, 527, 595, 713, 805, 1037, 1085, 1403, 1891, 1955, 2135, 2635, 2737, 3565, 3689, 4991, 5185, 7015, 7259, 9455, 9821, 12121, 13237, 13685, 18445, 23851, 24955, 32147, 36295, 43493, 49105, 60605, 66185, 84847, 119255, 160735, 166957, 217465, 225029, 304451, 424235, 739381, 834785, 1125145, 1522255, 3696905, 5175667, 25878335]

約数ペア:

[(1, 25878335), (5, 5175667), (7, 3696905), (17, 1522255), (23, 1125145), (31, 834785), (35, 739381), (61, 424235), (85, 304451), (115, 225029), (119, 217465), (155, 166957), (161, 160735), (217, 119255), (305, 84847), (391, 66185), (427, 60605), (527, 49105), (595, 43493), (713, 36295), (805, 32147), (1037, 24955), (1085, 23851), (1403, 18445), (1891, 13685), (1955, 13237), (2135, 12121), (2635, 9821), (2737, 9455), (3565, 7259), (3689, 7015), (4991, 5185)]