251940234

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 644861952

約数和(自身を除く): 392921718

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 67, 71, 78, 91, 97, 134, 142, 182, 194, 201, 213, 273, 291, 402, 426, 469, 497, 546, 582, 679, 871, 923, 938, 994, 1261, 1358, 1407, 1491, 1742, 1846, 2037, 2522, 2613, 2769, 2814, 2982, 3783, 4074, 4757, 5226, 5538, 6097, 6461, 6499, 6887, 7566, 8827, 9514, 12194, 12922, 12998, 13774, 14271, 17654, 18291, 19383, 19497, 20661, 26481, 28542, 33299, 36582, 38766, 38994, 41322, 45493, 48209, 52962, 61841, 66598, 84487, 89531, 90986, 96418, 99897, 123682, 136479, 144627, 168974, 179062, 185523, 199794, 253461, 268593, 272958, 289254, 371046, 432887, 461429, 506922, 537186, 591409, 626717, 865774, 922858, 1182818, 1253434, 1298661, 1384287, 1774227, 1880151, 2597322, 2768574, 3230003, 3548454, 3760302, 5998577, 6460006, 9690009, 11997154, 17995731, 19380018, 35991462, 41990039, 83980078, 125970117, 251940234]

約数ペア:

[(1, 251940234), (2, 125970117), (3, 83980078), (6, 41990039), (7, 35991462), (13, 19380018), (14, 17995731), (21, 11997154), (26, 9690009), (39, 6460006), (42, 5998577), (67, 3760302), (71, 3548454), (78, 3230003), (91, 2768574), (97, 2597322), (134, 1880151), (142, 1774227), (182, 1384287), (194, 1298661), (201, 1253434), (213, 1182818), (273, 922858), (291, 865774), (402, 626717), (426, 591409), (469, 537186), (497, 506922), (546, 461429), (582, 432887), (679, 371046), (871, 289254), (923, 272958), (938, 268593), (994, 253461), (1261, 199794), (1358, 185523), (1407, 179062), (1491, 168974), (1742, 144627), (1846, 136479), (2037, 123682), (2522, 99897), (2613, 96418), (2769, 90986), (2814, 89531), (2982, 84487), (3783, 66598), (4074, 61841), (4757, 52962), (5226, 48209), (5538, 45493), (6097, 41322), (6461, 38994), (6499, 38766), (6887, 36582), (7566, 33299), (8827, 28542), (9514, 26481), (12194, 20661), (12922, 19497), (12998, 19383), (13774, 18291), (14271, 17654)]