287445248

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{257}}^2$

素因数の和:547

約数の個数: 54

約数和(自身を含む): 609891786

約数和(自身を除く): 322446538

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 257, 272, 514, 544, 1028, 1088, 2056, 2176, 4112, 4352, 4369, 8224, 8738, 16448, 17476, 32896, 34952, 65792, 66049, 69904, 132098, 139808, 264196, 279616, 528392, 559232, 1056784, 1118464, 1122833, 2113568, 2245666, 4227136, 4491332, 8454272, 8982664, 16908544, 17965328, 35930656, 71861312, 143722624, 287445248]

約数ペア:

[(1, 287445248), (2, 143722624), (4, 71861312), (8, 35930656), (16, 17965328), (17, 16908544), (32, 8982664), (34, 8454272), (64, 4491332), (68, 4227136), (128, 2245666), (136, 2113568), (256, 1122833), (257, 1118464), (272, 1056784), (514, 559232), (544, 528392), (1028, 279616), (1088, 264196), (2056, 139808), (2176, 132098), (4112, 69904), (4352, 66049), (4369, 65792), (8224, 34952), (8738, 32896), (16448, 17476)]