28955784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 87620400

約数和(自身を除く): 58664616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 59, 66, 78, 88, 104, 118, 121, 132, 143, 156, 169, 177, 236, 242, 264, 286, 312, 338, 354, 363, 429, 472, 484, 507, 572, 649, 676, 708, 726, 767, 858, 968, 1014, 1144, 1298, 1352, 1416, 1452, 1534, 1573, 1716, 1859, 1947, 2028, 2301, 2596, 2904, 3068, 3146, 3432, 3718, 3894, 4056, 4602, 4719, 5192, 5577, 6136, 6292, 7139, 7436, 7788, 8437, 9204, 9438, 9971, 11154, 12584, 14278, 14872, 15576, 16874, 18408, 18876, 19942, 20449, 21417, 22308, 25311, 28556, 29913, 33748, 37752, 39884, 40898, 42834, 44616, 50622, 57112, 59826, 61347, 67496, 79768, 81796, 85668, 92807, 101244, 109681, 119652, 122694, 163592, 171336, 185614, 202488, 219362, 239304, 245388, 278421, 329043, 371228, 438724, 490776, 556842, 658086, 742456, 877448, 1113684, 1206491, 1316172, 2227368, 2412982, 2632344, 3619473, 4825964, 7238946, 9651928, 14477892, 28955784]

約数ペア:

[(1, 28955784), (2, 14477892), (3, 9651928), (4, 7238946), (6, 4825964), (8, 3619473), (11, 2632344), (12, 2412982), (13, 2227368), (22, 1316172), (24, 1206491), (26, 1113684), (33, 877448), (39, 742456), (44, 658086), (52, 556842), (59, 490776), (66, 438724), (78, 371228), (88, 329043), (104, 278421), (118, 245388), (121, 239304), (132, 219362), (143, 202488), (156, 185614), (169, 171336), (177, 163592), (236, 122694), (242, 119652), (264, 109681), (286, 101244), (312, 92807), (338, 85668), (354, 81796), (363, 79768), (429, 67496), (472, 61347), (484, 59826), (507, 57112), (572, 50622), (649, 44616), (676, 42834), (708, 40898), (726, 39884), (767, 37752), (858, 33748), (968, 29913), (1014, 28556), (1144, 25311), (1298, 22308), (1352, 21417), (1416, 20449), (1452, 19942), (1534, 18876), (1573, 18408), (1716, 16874), (1859, 15576), (1947, 14872), (2028, 14278), (2301, 12584), (2596, 11154), (2904, 9971), (3068, 9438), (3146, 9204), (3432, 8437), (3718, 7788), (3894, 7436), (4056, 7139), (4602, 6292), (4719, 6136), (5192, 5577)]