28707042

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 128

約数和(自身を含む): 76608000

約数和(自身を除く): 47900958

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 37, 39, 42, 49, 58, 74, 78, 87, 91, 98, 111, 147, 174, 182, 203, 222, 259, 273, 294, 343, 377, 406, 481, 518, 546, 609, 637, 686, 754, 777, 962, 1029, 1073, 1131, 1218, 1274, 1421, 1443, 1554, 1813, 1911, 2058, 2146, 2262, 2639, 2842, 2886, 3219, 3367, 3626, 3822, 4263, 4459, 5278, 5439, 6438, 6734, 7511, 7917, 8526, 8918, 9947, 10101, 10878, 12691, 13377, 13949, 15022, 15834, 18473, 19894, 20202, 22533, 23569, 25382, 26754, 27898, 29841, 36946, 38073, 41847, 45066, 47138, 52577, 55419, 59682, 70707, 76146, 83694, 97643, 105154, 110838, 129311, 141414, 157731, 164983, 195286, 258622, 292929, 315462, 329966, 368039, 387933, 494949, 585858, 683501, 736078, 775866, 989898, 1104117, 1367002, 2050503, 2208234, 4101006, 4784507, 9569014, 14353521, 28707042]

約数ペア:

[(1, 28707042), (2, 14353521), (3, 9569014), (6, 4784507), (7, 4101006), (13, 2208234), (14, 2050503), (21, 1367002), (26, 1104117), (29, 989898), (37, 775866), (39, 736078), (42, 683501), (49, 585858), (58, 494949), (74, 387933), (78, 368039), (87, 329966), (91, 315462), (98, 292929), (111, 258622), (147, 195286), (174, 164983), (182, 157731), (203, 141414), (222, 129311), (259, 110838), (273, 105154), (294, 97643), (343, 83694), (377, 76146), (406, 70707), (481, 59682), (518, 55419), (546, 52577), (609, 47138), (637, 45066), (686, 41847), (754, 38073), (777, 36946), (962, 29841), (1029, 27898), (1073, 26754), (1131, 25382), (1218, 23569), (1274, 22533), (1421, 20202), (1443, 19894), (1554, 18473), (1813, 15834), (1911, 15022), (2058, 13949), (2146, 13377), (2262, 12691), (2639, 10878), (2842, 10101), (2886, 9947), (3219, 8918), (3367, 8526), (3626, 7917), (3822, 7511), (4263, 6734), (4459, 6438), (5278, 5439)]