647540608

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2136

約数の個数: 128

約数和(自身を含む): 1605471840

約数和(自身を除く): 957931232

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 64, 68, 88, 104, 128, 136, 143, 176, 187, 208, 221, 272, 286, 352, 374, 416, 442, 544, 572, 704, 748, 832, 884, 1088, 1144, 1408, 1496, 1664, 1768, 2081, 2176, 2288, 2431, 2992, 3536, 4162, 4576, 4862, 5984, 7072, 8324, 9152, 9724, 11968, 14144, 16648, 18304, 19448, 22891, 23936, 27053, 28288, 33296, 35377, 38896, 45782, 54106, 66592, 70754, 77792, 91564, 108212, 133184, 141508, 155584, 183128, 216424, 266368, 283016, 297583, 311168, 366256, 389147, 432848, 459901, 566032, 595166, 732512, 778294, 865696, 919802, 1132064, 1190332, 1465024, 1556588, 1731392, 1839604, 2264128, 2380664, 2930048, 3113176, 3462784, 3679208, 4528256, 4761328, 5058911, 6226352, 7358416, 9522656, 10117822, 12452704, 14716832, 19045312, 20235644, 24905408, 29433664, 38090624, 40471288, 49810816, 58867328, 80942576, 161885152, 323770304, 647540608]

約数ペア:

[(1, 647540608), (2, 323770304), (4, 161885152), (8, 80942576), (11, 58867328), (13, 49810816), (16, 40471288), (17, 38090624), (22, 29433664), (26, 24905408), (32, 20235644), (34, 19045312), (44, 14716832), (52, 12452704), (64, 10117822), (68, 9522656), (88, 7358416), (104, 6226352), (128, 5058911), (136, 4761328), (143, 4528256), (176, 3679208), (187, 3462784), (208, 3113176), (221, 2930048), (272, 2380664), (286, 2264128), (352, 1839604), (374, 1731392), (416, 1556588), (442, 1465024), (544, 1190332), (572, 1132064), (704, 919802), (748, 865696), (832, 778294), (884, 732512), (1088, 595166), (1144, 566032), (1408, 459901), (1496, 432848), (1664, 389147), (1768, 366256), (2081, 311168), (2176, 297583), (2288, 283016), (2431, 266368), (2992, 216424), (3536, 183128), (4162, 155584), (4576, 141508), (4862, 133184), (5984, 108212), (7072, 91564), (8324, 77792), (9152, 70754), (9724, 66592), (11968, 54106), (14144, 45782), (16648, 38896), (18304, 35377), (19448, 33296), (22891, 28288), (23936, 27053)]