686394448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1136

約数の個数: 80

約数和(自身を含む): 1467562320

約数和(自身を除く): 781167872

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 61, 68, 82, 122, 136, 164, 244, 272, 328, 488, 656, 697, 976, 1009, 1037, 1394, 2018, 2074, 2501, 2788, 4036, 4148, 5002, 5576, 8072, 8296, 10004, 11152, 16144, 16592, 17153, 20008, 34306, 40016, 41369, 42517, 61549, 68612, 82738, 85034, 123098, 137224, 165476, 170068, 246196, 274448, 330952, 340136, 492392, 661904, 680272, 703273, 984784, 1046333, 1406546, 2092666, 2523509, 2813092, 4185332, 5047018, 5626184, 8370664, 10094036, 11252368, 16741328, 20188072, 40376144, 42899653, 85799306, 171598612, 343197224, 686394448]

約数ペア:

[(1, 686394448), (2, 343197224), (4, 171598612), (8, 85799306), (16, 42899653), (17, 40376144), (34, 20188072), (41, 16741328), (61, 11252368), (68, 10094036), (82, 8370664), (122, 5626184), (136, 5047018), (164, 4185332), (244, 2813092), (272, 2523509), (328, 2092666), (488, 1406546), (656, 1046333), (697, 984784), (976, 703273), (1009, 680272), (1037, 661904), (1394, 492392), (2018, 340136), (2074, 330952), (2501, 274448), (2788, 246196), (4036, 170068), (4148, 165476), (5002, 137224), (5576, 123098), (8072, 85034), (8296, 82738), (10004, 68612), (11152, 61549), (16144, 42517), (16592, 41369), (17153, 40016), (20008, 34306)]