627742765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 892442880

約数和(自身を除く): 264700115

約数列:

[1, 5, 13, 17, 61, 65, 67, 85, 139, 221, 305, 335, 695, 793, 871, 1037, 1105, 1139, 1807, 2363, 3965, 4087, 4355, 5185, 5695, 8479, 9035, 9313, 11815, 13481, 14807, 20435, 30719, 42395, 46565, 53131, 67405, 69479, 74035, 110227, 121069, 144143, 153595, 158321, 265655, 347395, 551135, 568093, 605345, 720715, 791605, 903227, 1873859, 2058173, 2840465, 4516135, 7385209, 9369295, 9657581, 10290865, 36926045, 48287905, 125548553, 627742765]

約数ペア:

[(1, 627742765), (5, 125548553), (13, 48287905), (17, 36926045), (61, 10290865), (65, 9657581), (67, 9369295), (85, 7385209), (139, 4516135), (221, 2840465), (305, 2058173), (335, 1873859), (695, 903227), (793, 791605), (871, 720715), (1037, 605345), (1105, 568093), (1139, 551135), (1807, 347395), (2363, 265655), (3965, 158321), (4087, 153595), (4355, 144143), (5185, 121069), (5695, 110227), (8479, 74035), (9035, 69479), (9313, 67405), (11815, 53131), (13481, 46565), (14807, 42395), (20435, 30719)]