81551168

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:351

約数の個数: 56

約数和(自身を含む): 166567104

約数和(自身を除く): 85015936

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 131, 137, 142, 262, 274, 284, 524, 548, 568, 1048, 1096, 1136, 2096, 2192, 2272, 4192, 4384, 4544, 8384, 8768, 9301, 9727, 17947, 18602, 19454, 35894, 37204, 38908, 71788, 74408, 77816, 143576, 148816, 155632, 287152, 297632, 311264, 574304, 595264, 622528, 1148608, 1274237, 2548474, 5096948, 10193896, 20387792, 40775584, 81551168]

約数ペア:

[(1, 81551168), (2, 40775584), (4, 20387792), (8, 10193896), (16, 5096948), (32, 2548474), (64, 1274237), (71, 1148608), (131, 622528), (137, 595264), (142, 574304), (262, 311264), (274, 297632), (284, 287152), (524, 155632), (548, 148816), (568, 143576), (1048, 77816), (1096, 74408), (1136, 71788), (2096, 38908), (2192, 37204), (2272, 35894), (4192, 19454), (4384, 18602), (4544, 17947), (8384, 9727), (8768, 9301)]