28213812

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 85800960

約数和(自身を除く): 57587148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 27, 33, 34, 36, 44, 51, 54, 66, 68, 99, 102, 108, 121, 127, 132, 153, 187, 198, 204, 242, 254, 297, 306, 363, 374, 381, 396, 459, 484, 508, 561, 594, 612, 726, 748, 762, 918, 1089, 1122, 1143, 1188, 1397, 1452, 1524, 1683, 1836, 2057, 2159, 2178, 2244, 2286, 2794, 3267, 3366, 3429, 4114, 4191, 4318, 4356, 4572, 5049, 5588, 6171, 6477, 6534, 6732, 6858, 8228, 8382, 8636, 10098, 12342, 12573, 12954, 13068, 13716, 15367, 16764, 18513, 19431, 20196, 23749, 24684, 25146, 25908, 30734, 37026, 37719, 38862, 46101, 47498, 50292, 55539, 58293, 61468, 71247, 74052, 75438, 77724, 92202, 94996, 111078, 116586, 138303, 142494, 150876, 184404, 213741, 222156, 233172, 261239, 276606, 284988, 414909, 427482, 522478, 553212, 641223, 783717, 829818, 854964, 1044956, 1282446, 1567434, 1659636, 2351151, 2564892, 3134868, 4702302, 7053453, 9404604, 14106906, 28213812]

約数ペア:

[(1, 28213812), (2, 14106906), (3, 9404604), (4, 7053453), (6, 4702302), (9, 3134868), (11, 2564892), (12, 2351151), (17, 1659636), (18, 1567434), (22, 1282446), (27, 1044956), (33, 854964), (34, 829818), (36, 783717), (44, 641223), (51, 553212), (54, 522478), (66, 427482), (68, 414909), (99, 284988), (102, 276606), (108, 261239), (121, 233172), (127, 222156), (132, 213741), (153, 184404), (187, 150876), (198, 142494), (204, 138303), (242, 116586), (254, 111078), (297, 94996), (306, 92202), (363, 77724), (374, 75438), (381, 74052), (396, 71247), (459, 61468), (484, 58293), (508, 55539), (561, 50292), (594, 47498), (612, 46101), (726, 38862), (748, 37719), (762, 37026), (918, 30734), (1089, 25908), (1122, 25146), (1143, 24684), (1188, 23749), (1397, 20196), (1452, 19431), (1524, 18513), (1683, 16764), (1836, 15367), (2057, 13716), (2159, 13068), (2178, 12954), (2244, 12573), (2286, 12342), (2794, 10098), (3267, 8636), (3366, 8382), (3429, 8228), (4114, 6858), (4191, 6732), (4318, 6534), (4356, 6477), (4572, 6171), (5049, 5588)]