138590168

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{811}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 267034320

約数和(自身を除く): 128444152

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 521, 811, 1042, 1622, 2084, 3244, 4168, 6488, 21361, 33251, 42722, 66502, 85444, 133004, 170888, 266008, 422531, 845062, 1690124, 3380248, 17323771, 34647542, 69295084, 138590168]

約数ペア:

[(1, 138590168), (2, 69295084), (4, 34647542), (8, 17323771), (41, 3380248), (82, 1690124), (164, 845062), (328, 422531), (521, 266008), (811, 170888), (1042, 133004), (1622, 85444), (2084, 66502), (3244, 42722), (4168, 33251), (6488, 21361)]