128203936

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 308956032

約数和(自身を除く): 180752096

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 131, 136, 224, 238, 257, 262, 272, 476, 514, 524, 544, 917, 952, 1028, 1048, 1799, 1834, 1904, 2056, 2096, 2227, 3598, 3668, 3808, 4112, 4192, 4369, 4454, 7196, 7336, 8224, 8738, 8908, 14392, 14672, 15589, 17476, 17816, 28784, 29344, 30583, 31178, 33667, 34952, 35632, 57568, 61166, 62356, 67334, 69904, 71264, 122332, 124712, 134668, 139808, 235669, 244664, 249424, 269336, 471338, 489328, 498848, 538672, 572339, 942676, 978656, 1077344, 1144678, 1885352, 2289356, 3770704, 4006373, 4578712, 7541408, 8012746, 9157424, 16025492, 18314848, 32050984, 64101968, 128203936]

約数ペア:

[(1, 128203936), (2, 64101968), (4, 32050984), (7, 18314848), (8, 16025492), (14, 9157424), (16, 8012746), (17, 7541408), (28, 4578712), (32, 4006373), (34, 3770704), (56, 2289356), (68, 1885352), (112, 1144678), (119, 1077344), (131, 978656), (136, 942676), (224, 572339), (238, 538672), (257, 498848), (262, 489328), (272, 471338), (476, 269336), (514, 249424), (524, 244664), (544, 235669), (917, 139808), (952, 134668), (1028, 124712), (1048, 122332), (1799, 71264), (1834, 69904), (1904, 67334), (2056, 62356), (2096, 61166), (2227, 57568), (3598, 35632), (3668, 34952), (3808, 33667), (4112, 31178), (4192, 30583), (4369, 29344), (4454, 28784), (7196, 17816), (7336, 17476), (8224, 15589), (8738, 14672), (8908, 14392)]