138550888

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 314582400

約数和(自身を除く): 176031512

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 197, 266, 394, 532, 661, 788, 1064, 1322, 1379, 1576, 2644, 2758, 3743, 4627, 5288, 5516, 7486, 9254, 11032, 12559, 14972, 18508, 25118, 26201, 29944, 37016, 50236, 52402, 87913, 100472, 104804, 130217, 175826, 209608, 260434, 351652, 520868, 703304, 911519, 1041736, 1823038, 2474123, 3646076, 4948246, 7292152, 9896492, 17318861, 19792984, 34637722, 69275444, 138550888]

約数ペア:

[(1, 138550888), (2, 69275444), (4, 34637722), (7, 19792984), (8, 17318861), (14, 9896492), (19, 7292152), (28, 4948246), (38, 3646076), (56, 2474123), (76, 1823038), (133, 1041736), (152, 911519), (197, 703304), (266, 520868), (394, 351652), (532, 260434), (661, 209608), (788, 175826), (1064, 130217), (1322, 104804), (1379, 100472), (1576, 87913), (2644, 52402), (2758, 50236), (3743, 37016), (4627, 29944), (5288, 26201), (5516, 25118), (7486, 18508), (9254, 14972), (11032, 12559)]