25987896

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 81954600

約数和(自身を除く): 55966704

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 33, 36, 38, 44, 57, 66, 72, 76, 88, 99, 114, 121, 132, 152, 157, 171, 198, 209, 228, 242, 264, 314, 342, 363, 396, 418, 456, 471, 484, 627, 628, 684, 726, 792, 836, 942, 968, 1089, 1254, 1256, 1368, 1413, 1452, 1672, 1727, 1881, 1884, 2178, 2299, 2508, 2826, 2904, 2983, 3454, 3762, 3768, 4356, 4598, 5016, 5181, 5652, 5966, 6897, 6908, 7524, 8712, 8949, 9196, 10362, 11304, 11932, 13794, 13816, 15048, 15543, 17898, 18392, 18997, 20691, 20724, 23864, 26847, 27588, 31086, 32813, 35796, 37994, 41382, 41448, 53694, 55176, 56991, 62172, 65626, 71592, 75988, 82764, 98439, 107388, 113982, 124344, 131252, 151976, 165528, 170973, 196878, 214776, 227964, 262504, 295317, 341946, 360943, 393756, 455928, 590634, 683892, 721886, 787512, 1082829, 1181268, 1367784, 1443772, 2165658, 2362536, 2887544, 3248487, 4331316, 6496974, 8662632, 12993948, 25987896]

約数ペア:

[(1, 25987896), (2, 12993948), (3, 8662632), (4, 6496974), (6, 4331316), (8, 3248487), (9, 2887544), (11, 2362536), (12, 2165658), (18, 1443772), (19, 1367784), (22, 1181268), (24, 1082829), (33, 787512), (36, 721886), (38, 683892), (44, 590634), (57, 455928), (66, 393756), (72, 360943), (76, 341946), (88, 295317), (99, 262504), (114, 227964), (121, 214776), (132, 196878), (152, 170973), (157, 165528), (171, 151976), (198, 131252), (209, 124344), (228, 113982), (242, 107388), (264, 98439), (314, 82764), (342, 75988), (363, 71592), (396, 65626), (418, 62172), (456, 56991), (471, 55176), (484, 53694), (627, 41448), (628, 41382), (684, 37994), (726, 35796), (792, 32813), (836, 31086), (942, 27588), (968, 26847), (1089, 23864), (1254, 20724), (1256, 20691), (1368, 18997), (1413, 18392), (1452, 17898), (1672, 15543), (1727, 15048), (1881, 13816), (1884, 13794), (2178, 11932), (2299, 11304), (2508, 10362), (2826, 9196), (2904, 8949), (2983, 8712), (3454, 7524), (3762, 6908), (3768, 6897), (4356, 5966), (4598, 5652), (5016, 5181)]