1285452008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{857}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 2627024400

約数和(自身を除く): 1341572392

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 269, 328, 538, 697, 857, 1076, 1394, 1714, 2152, 2788, 3428, 4573, 5576, 6856, 9146, 11029, 14569, 18292, 22058, 29138, 35137, 36584, 44116, 58276, 70274, 88232, 116552, 140548, 187493, 230533, 281096, 374986, 461066, 597329, 749972, 922132, 1194658, 1499944, 1844264, 2389316, 3919061, 4778632, 7838122, 9451853, 15676244, 18903706, 31352488, 37807412, 75614824, 160681501, 321363002, 642726004, 1285452008]

約数ペア:

[(1, 1285452008), (2, 642726004), (4, 321363002), (8, 160681501), (17, 75614824), (34, 37807412), (41, 31352488), (68, 18903706), (82, 15676244), (136, 9451853), (164, 7838122), (269, 4778632), (328, 3919061), (538, 2389316), (697, 1844264), (857, 1499944), (1076, 1194658), (1394, 922132), (1714, 749972), (2152, 597329), (2788, 461066), (3428, 374986), (4573, 281096), (5576, 230533), (6856, 187493), (9146, 140548), (11029, 116552), (14569, 88232), (18292, 70274), (22058, 58276), (29138, 44116), (35137, 36584)]