27887888

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 66495744

約数和(自身を除く): 38607856

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 97, 112, 119, 136, 151, 194, 238, 272, 302, 388, 476, 604, 679, 776, 952, 1057, 1208, 1358, 1552, 1649, 1904, 2114, 2416, 2567, 2716, 3298, 4228, 5134, 5432, 6596, 8456, 10268, 10864, 11543, 13192, 14647, 16912, 17969, 20536, 23086, 26384, 29294, 35938, 41072, 46172, 58588, 71876, 92344, 102529, 117176, 143752, 184688, 205058, 234352, 248999, 287504, 410116, 497998, 820232, 995996, 1640464, 1742993, 1991992, 3485986, 3983984, 6971972, 13943944, 27887888]

約数ペア:

[(1, 27887888), (2, 13943944), (4, 6971972), (7, 3983984), (8, 3485986), (14, 1991992), (16, 1742993), (17, 1640464), (28, 995996), (34, 820232), (56, 497998), (68, 410116), (97, 287504), (112, 248999), (119, 234352), (136, 205058), (151, 184688), (194, 143752), (238, 117176), (272, 102529), (302, 92344), (388, 71876), (476, 58588), (604, 46172), (679, 41072), (776, 35938), (952, 29294), (1057, 26384), (1208, 23086), (1358, 20536), (1552, 17969), (1649, 16912), (1904, 14647), (2114, 13192), (2416, 11543), (2567, 10864), (2716, 10268), (3298, 8456), (4228, 6596), (5134, 5432)]