28289632

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 74269440

約数和(自身を除く): 45979808

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 23, 28, 32, 34, 38, 46, 56, 68, 76, 92, 112, 119, 133, 136, 152, 161, 184, 224, 238, 266, 272, 289, 304, 322, 323, 368, 391, 437, 476, 532, 544, 578, 608, 644, 646, 736, 782, 874, 952, 1064, 1156, 1288, 1292, 1564, 1748, 1904, 2023, 2128, 2261, 2312, 2576, 2584, 2737, 3059, 3128, 3496, 3808, 4046, 4256, 4522, 4624, 5152, 5168, 5474, 5491, 6118, 6256, 6647, 6992, 7429, 8092, 9044, 9248, 10336, 10948, 10982, 12236, 12512, 13294, 13984, 14858, 16184, 18088, 21896, 21964, 24472, 26588, 29716, 32368, 36176, 38437, 43792, 43928, 46529, 48944, 52003, 53176, 59432, 64736, 72352, 76874, 87584, 87856, 93058, 97888, 104006, 106352, 118864, 126293, 153748, 175712, 186116, 208012, 212704, 237728, 252586, 307496, 372232, 416024, 505172, 614992, 744464, 832048, 884051, 1010344, 1229984, 1488928, 1664096, 1768102, 2020688, 3536204, 4041376, 7072408, 14144816, 28289632]

約数ペア:

[(1, 28289632), (2, 14144816), (4, 7072408), (7, 4041376), (8, 3536204), (14, 2020688), (16, 1768102), (17, 1664096), (19, 1488928), (23, 1229984), (28, 1010344), (32, 884051), (34, 832048), (38, 744464), (46, 614992), (56, 505172), (68, 416024), (76, 372232), (92, 307496), (112, 252586), (119, 237728), (133, 212704), (136, 208012), (152, 186116), (161, 175712), (184, 153748), (224, 126293), (238, 118864), (266, 106352), (272, 104006), (289, 97888), (304, 93058), (322, 87856), (323, 87584), (368, 76874), (391, 72352), (437, 64736), (476, 59432), (532, 53176), (544, 52003), (578, 48944), (608, 46529), (644, 43928), (646, 43792), (736, 38437), (782, 36176), (874, 32368), (952, 29716), (1064, 26588), (1156, 24472), (1288, 21964), (1292, 21896), (1564, 18088), (1748, 16184), (1904, 14858), (2023, 13984), (2128, 13294), (2261, 12512), (2312, 12236), (2576, 10982), (2584, 10948), (2737, 10336), (3059, 9248), (3128, 9044), (3496, 8092), (3808, 7429), (4046, 6992), (4256, 6647), (4522, 6256), (4624, 6118), (5152, 5491), (5168, 5474)]