205993216

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 513027648

約数和(自身を除く): 307034432

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, 256, 272, 286, 331, 352, 374, 416, 442, 544, 572, 662, 704, 748, 832, 884, 1088, 1144, 1324, 1408, 1496, 1664, 1768, 2176, 2288, 2431, 2648, 2816, 2992, 3328, 3536, 3641, 4303, 4352, 4576, 4862, 5296, 5627, 5984, 7072, 7282, 8606, 9152, 9724, 10592, 11254, 11968, 14144, 14564, 17212, 18304, 19448, 21184, 22508, 23936, 28288, 29128, 34424, 36608, 38896, 42368, 45016, 47333, 47872, 56576, 58256, 61897, 68848, 73151, 77792, 84736, 90032, 94666, 116512, 123794, 137696, 146302, 155584, 180064, 189332, 233024, 247588, 275392, 292604, 311168, 360128, 378664, 466048, 495176, 550784, 585208, 622336, 720256, 757328, 804661, 932096, 990352, 1101568, 1170416, 1440512, 1514656, 1609322, 1980704, 2340832, 3029312, 3218644, 3961408, 4681664, 6058624, 6437288, 7922816, 9363328, 12117248, 12874576, 15845632, 18726656, 25749152, 51498304, 102996608, 205993216]

約数ペア:

[(1, 205993216), (2, 102996608), (4, 51498304), (8, 25749152), (11, 18726656), (13, 15845632), (16, 12874576), (17, 12117248), (22, 9363328), (26, 7922816), (32, 6437288), (34, 6058624), (44, 4681664), (52, 3961408), (64, 3218644), (68, 3029312), (88, 2340832), (104, 1980704), (128, 1609322), (136, 1514656), (143, 1440512), (176, 1170416), (187, 1101568), (208, 990352), (221, 932096), (256, 804661), (272, 757328), (286, 720256), (331, 622336), (352, 585208), (374, 550784), (416, 495176), (442, 466048), (544, 378664), (572, 360128), (662, 311168), (704, 292604), (748, 275392), (832, 247588), (884, 233024), (1088, 189332), (1144, 180064), (1324, 155584), (1408, 146302), (1496, 137696), (1664, 123794), (1768, 116512), (2176, 94666), (2288, 90032), (2431, 84736), (2648, 77792), (2816, 73151), (2992, 68848), (3328, 61897), (3536, 58256), (3641, 56576), (4303, 47872), (4352, 47333), (4576, 45016), (4862, 42368), (5296, 38896), (5627, 36608), (5984, 34424), (7072, 29128), (7282, 28288), (8606, 23936), (9152, 22508), (9724, 21184), (10592, 19448), (11254, 18304), (11968, 17212), (14144, 14564)]