261629082

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2045

約数の個数: 128

約数和(自身を含む): 723582720

約数和(自身を除く): 461953638

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 27, 33, 34, 39, 51, 54, 66, 78, 99, 102, 117, 143, 153, 187, 198, 221, 234, 286, 297, 306, 351, 374, 429, 442, 459, 561, 594, 663, 702, 858, 918, 1122, 1287, 1326, 1683, 1989, 1993, 2431, 2574, 3366, 3861, 3978, 3986, 4862, 5049, 5967, 5979, 7293, 7722, 10098, 11934, 11958, 14586, 17937, 21879, 21923, 25909, 33881, 35874, 43758, 43846, 51818, 53811, 65637, 65769, 67762, 77727, 101643, 107622, 131274, 131538, 155454, 197307, 203286, 233181, 284999, 304929, 372691, 394614, 440453, 466362, 569998, 591921, 609858, 699543, 745382, 854997, 880906, 914787, 1118073, 1183842, 1321359, 1399086, 1709994, 1829574, 2236146, 2564991, 2642718, 3354219, 3964077, 4844983, 5129982, 6708438, 7694973, 7928154, 9689966, 10062657, 11892231, 14534949, 15389946, 20125314, 23784462, 29069898, 43604847, 87209694, 130814541, 261629082]

約数ペア:

[(1, 261629082), (2, 130814541), (3, 87209694), (6, 43604847), (9, 29069898), (11, 23784462), (13, 20125314), (17, 15389946), (18, 14534949), (22, 11892231), (26, 10062657), (27, 9689966), (33, 7928154), (34, 7694973), (39, 6708438), (51, 5129982), (54, 4844983), (66, 3964077), (78, 3354219), (99, 2642718), (102, 2564991), (117, 2236146), (143, 1829574), (153, 1709994), (187, 1399086), (198, 1321359), (221, 1183842), (234, 1118073), (286, 914787), (297, 880906), (306, 854997), (351, 745382), (374, 699543), (429, 609858), (442, 591921), (459, 569998), (561, 466362), (594, 440453), (663, 394614), (702, 372691), (858, 304929), (918, 284999), (1122, 233181), (1287, 203286), (1326, 197307), (1683, 155454), (1989, 131538), (1993, 131274), (2431, 107622), (2574, 101643), (3366, 77727), (3861, 67762), (3978, 65769), (3986, 65637), (4862, 53811), (5049, 51818), (5967, 43846), (5979, 43758), (7293, 35874), (7722, 33881), (10098, 25909), (11934, 21923), (11958, 21879), (14586, 17937)]