257989032

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{919}}^1$

素因数の和:1495

約数の個数: 96

約数和(自身を含む): 800841600

約数和(自身を除く): 542852568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 557, 919, 1114, 1671, 1838, 2228, 2757, 3342, 3676, 3899, 4456, 5013, 5514, 6433, 6684, 7352, 7798, 8271, 10026, 11028, 11697, 12866, 13368, 15596, 16542, 19299, 20052, 22056, 23394, 25732, 31192, 33084, 35091, 38598, 40104, 46788, 51464, 57897, 66168, 70182, 77196, 93576, 115794, 140364, 154392, 231588, 280728, 463176, 511883, 1023766, 1535649, 2047532, 3071298, 3583181, 4095064, 4606947, 6142596, 7166362, 9213894, 10749543, 12285192, 14332724, 18427788, 21499086, 28665448, 32248629, 36855576, 42998172, 64497258, 85996344, 128994516, 257989032]

約数ペア:

[(1, 257989032), (2, 128994516), (3, 85996344), (4, 64497258), (6, 42998172), (7, 36855576), (8, 32248629), (9, 28665448), (12, 21499086), (14, 18427788), (18, 14332724), (21, 12285192), (24, 10749543), (28, 9213894), (36, 7166362), (42, 6142596), (56, 4606947), (63, 4095064), (72, 3583181), (84, 3071298), (126, 2047532), (168, 1535649), (252, 1023766), (504, 511883), (557, 463176), (919, 280728), (1114, 231588), (1671, 154392), (1838, 140364), (2228, 115794), (2757, 93576), (3342, 77196), (3676, 70182), (3899, 66168), (4456, 57897), (5013, 51464), (5514, 46788), (6433, 40104), (6684, 38598), (7352, 35091), (7798, 33084), (8271, 31192), (10026, 25732), (11028, 23394), (11697, 22056), (12866, 20052), (13368, 19299), (15596, 16542)]