139128248

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^2$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 316199520

約数和(自身を除く): 177071272

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 107, 124, 196, 214, 217, 248, 392, 428, 434, 749, 856, 868, 1498, 1519, 1736, 2996, 3038, 3317, 5243, 5992, 6076, 6634, 10486, 11449, 12152, 13268, 20972, 22898, 23219, 26536, 41944, 45796, 46438, 80143, 91592, 92876, 160286, 162533, 185752, 320572, 325066, 354919, 561001, 641144, 650132, 709838, 1122002, 1300264, 1419676, 2244004, 2484433, 2839352, 4488008, 4968866, 9937732, 17391031, 19875464, 34782062, 69564124, 139128248]

約数ペア:

[(1, 139128248), (2, 69564124), (4, 34782062), (7, 19875464), (8, 17391031), (14, 9937732), (28, 4968866), (31, 4488008), (49, 2839352), (56, 2484433), (62, 2244004), (98, 1419676), (107, 1300264), (124, 1122002), (196, 709838), (214, 650132), (217, 641144), (248, 561001), (392, 354919), (428, 325066), (434, 320572), (749, 185752), (856, 162533), (868, 160286), (1498, 92876), (1519, 91592), (1736, 80143), (2996, 46438), (3038, 45796), (3317, 41944), (5243, 26536), (5992, 23219), (6076, 22898), (6634, 20972), (10486, 13268), (11449, 12152)]