128845312

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 277093872

約数和(自身を除く): 148248560

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 113, 128, 131, 136, 226, 256, 262, 272, 452, 512, 524, 544, 904, 1048, 1088, 1808, 1921, 2096, 2176, 2227, 3616, 3842, 4192, 4352, 4454, 7232, 7684, 8384, 8704, 8908, 14464, 14803, 15368, 16768, 17816, 28928, 29606, 30736, 33536, 35632, 57856, 59212, 61472, 67072, 71264, 118424, 122944, 142528, 236848, 245888, 251651, 285056, 473696, 491776, 503302, 570112, 947392, 983552, 1006604, 1140224, 1894784, 2013208, 3789568, 4026416, 7579136, 8052832, 16105664, 32211328, 64422656, 128845312]

約数ペア:

[(1, 128845312), (2, 64422656), (4, 32211328), (8, 16105664), (16, 8052832), (17, 7579136), (32, 4026416), (34, 3789568), (64, 2013208), (68, 1894784), (113, 1140224), (128, 1006604), (131, 983552), (136, 947392), (226, 570112), (256, 503302), (262, 491776), (272, 473696), (452, 285056), (512, 251651), (524, 245888), (544, 236848), (904, 142528), (1048, 122944), (1088, 118424), (1808, 71264), (1921, 67072), (2096, 61472), (2176, 59212), (2227, 57856), (3616, 35632), (3842, 33536), (4192, 30736), (4352, 29606), (4454, 28928), (7232, 17816), (7684, 16768), (8384, 15368), (8704, 14803), (8908, 14464)]