28007694

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 76737024

約数和(自身を除く): 48729330

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 31, 33, 39, 54, 62, 66, 78, 81, 93, 99, 117, 143, 162, 169, 186, 198, 234, 243, 279, 286, 297, 338, 341, 351, 403, 429, 486, 507, 558, 594, 682, 702, 806, 837, 858, 891, 1014, 1023, 1053, 1209, 1287, 1521, 1674, 1782, 1859, 2046, 2106, 2418, 2511, 2574, 2673, 3042, 3069, 3159, 3627, 3718, 3861, 4433, 4563, 5022, 5239, 5346, 5577, 6138, 6318, 7254, 7533, 7722, 8866, 9126, 9207, 10478, 10881, 11154, 11583, 13299, 13689, 15066, 15717, 16731, 18414, 21762, 23166, 26598, 27378, 27621, 31434, 32643, 33462, 34749, 39897, 41067, 47151, 50193, 55242, 57629, 65286, 69498, 79794, 82134, 82863, 94302, 97929, 100386, 115258, 119691, 141453, 150579, 165726, 172887, 195858, 239382, 282906, 301158, 345774, 359073, 424359, 451737, 518661, 718146, 848718, 903474, 1037322, 1077219, 1273077, 1555983, 2154438, 2546154, 3111966, 4667949, 9335898, 14003847, 28007694]

約数ペア:

[(1, 28007694), (2, 14003847), (3, 9335898), (6, 4667949), (9, 3111966), (11, 2546154), (13, 2154438), (18, 1555983), (22, 1273077), (26, 1077219), (27, 1037322), (31, 903474), (33, 848718), (39, 718146), (54, 518661), (62, 451737), (66, 424359), (78, 359073), (81, 345774), (93, 301158), (99, 282906), (117, 239382), (143, 195858), (162, 172887), (169, 165726), (186, 150579), (198, 141453), (234, 119691), (243, 115258), (279, 100386), (286, 97929), (297, 94302), (338, 82863), (341, 82134), (351, 79794), (403, 69498), (429, 65286), (486, 57629), (507, 55242), (558, 50193), (594, 47151), (682, 41067), (702, 39897), (806, 34749), (837, 33462), (858, 32643), (891, 31434), (1014, 27621), (1023, 27378), (1053, 26598), (1209, 23166), (1287, 21762), (1521, 18414), (1674, 16731), (1782, 15717), (1859, 15066), (2046, 13689), (2106, 13299), (2418, 11583), (2511, 11154), (2574, 10881), (2673, 10478), (3042, 9207), (3069, 9126), (3159, 8866), (3627, 7722), (3718, 7533), (3861, 7254), (4433, 6318), (4563, 6138), (5022, 5577), (5239, 5346)]