28797174

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 78796800

約数和(自身を除く): 49999626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 37, 42, 54, 58, 63, 71, 74, 87, 111, 126, 142, 174, 189, 203, 213, 222, 259, 261, 333, 378, 406, 426, 497, 518, 522, 609, 639, 666, 777, 783, 994, 999, 1073, 1218, 1278, 1491, 1554, 1566, 1827, 1917, 1998, 2059, 2146, 2331, 2627, 2982, 3219, 3654, 3834, 4118, 4473, 4662, 5254, 5481, 6177, 6438, 6993, 7511, 7881, 8946, 9657, 10962, 12354, 13419, 13986, 14413, 15022, 15762, 18389, 18531, 19314, 22533, 23643, 26838, 28826, 28971, 36778, 37062, 43239, 45066, 47286, 55167, 55593, 57942, 67599, 70929, 76183, 86478, 110334, 111186, 129717, 135198, 141858, 152366, 165501, 202797, 228549, 259434, 331002, 389151, 405594, 457098, 496503, 533281, 685647, 778302, 993006, 1066562, 1371294, 1599843, 2056941, 3199686, 4113882, 4799529, 9599058, 14398587, 28797174]

約数ペア:

[(1, 28797174), (2, 14398587), (3, 9599058), (6, 4799529), (7, 4113882), (9, 3199686), (14, 2056941), (18, 1599843), (21, 1371294), (27, 1066562), (29, 993006), (37, 778302), (42, 685647), (54, 533281), (58, 496503), (63, 457098), (71, 405594), (74, 389151), (87, 331002), (111, 259434), (126, 228549), (142, 202797), (174, 165501), (189, 152366), (203, 141858), (213, 135198), (222, 129717), (259, 111186), (261, 110334), (333, 86478), (378, 76183), (406, 70929), (426, 67599), (497, 57942), (518, 55593), (522, 55167), (609, 47286), (639, 45066), (666, 43239), (777, 37062), (783, 36778), (994, 28971), (999, 28826), (1073, 26838), (1218, 23643), (1278, 22533), (1491, 19314), (1554, 18531), (1566, 18389), (1827, 15762), (1917, 15022), (1998, 14413), (2059, 13986), (2146, 13419), (2331, 12354), (2627, 10962), (2982, 9657), (3219, 8946), (3654, 7881), (3834, 7511), (4118, 6993), (4473, 6438), (4662, 6177), (5254, 5481)]