25859988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 85962240

約数和(自身を除く): 60102252

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 491, 532, 627, 684, 693, 798, 836, 924, 982, 1197, 1254, 1386, 1463, 1473, 1596, 1881, 1964, 2394, 2508, 2772, 2926, 2946, 3437, 3762, 4389, 4419, 4788, 5401, 5852, 5892, 6874, 7524, 8778, 8838, 9329, 10311, 10802, 13167, 13748, 16203, 17556, 17676, 18658, 20622, 21604, 26334, 27987, 30933, 32406, 37316, 37807, 41244, 48609, 52668, 55974, 61866, 64812, 65303, 75614, 83961, 97218, 102619, 111948, 113421, 123732, 130606, 151228, 167922, 194436, 195909, 205238, 226842, 261212, 307857, 335844, 340263, 391818, 410476, 453684, 587727, 615714, 680526, 718333, 783636, 923571, 1175454, 1231428, 1361052, 1436666, 1847142, 2154999, 2350908, 2873332, 3694284, 4309998, 6464997, 8619996, 12929994, 25859988]

約数ペア:

[(1, 25859988), (2, 12929994), (3, 8619996), (4, 6464997), (6, 4309998), (7, 3694284), (9, 2873332), (11, 2350908), (12, 2154999), (14, 1847142), (18, 1436666), (19, 1361052), (21, 1231428), (22, 1175454), (28, 923571), (33, 783636), (36, 718333), (38, 680526), (42, 615714), (44, 587727), (57, 453684), (63, 410476), (66, 391818), (76, 340263), (77, 335844), (84, 307857), (99, 261212), (114, 226842), (126, 205238), (132, 195909), (133, 194436), (154, 167922), (171, 151228), (198, 130606), (209, 123732), (228, 113421), (231, 111948), (252, 102619), (266, 97218), (308, 83961), (342, 75614), (396, 65303), (399, 64812), (418, 61866), (462, 55974), (491, 52668), (532, 48609), (627, 41244), (684, 37807), (693, 37316), (798, 32406), (836, 30933), (924, 27987), (982, 26334), (1197, 21604), (1254, 20622), (1386, 18658), (1463, 17676), (1473, 17556), (1596, 16203), (1881, 13748), (1964, 13167), (2394, 10802), (2508, 10311), (2772, 9329), (2926, 8838), (2946, 8778), (3437, 7524), (3762, 6874), (4389, 5892), (4419, 5852), (4788, 5401)]