25071008

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 51342984

約数和(自身を除く): 26271976

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 97, 164, 194, 197, 328, 388, 394, 656, 776, 788, 1312, 1552, 1576, 3104, 3152, 3977, 6304, 7954, 8077, 15908, 16154, 19109, 31816, 32308, 38218, 63632, 64616, 76436, 127264, 129232, 152872, 258464, 305744, 611488, 783469, 1566938, 3133876, 6267752, 12535504, 25071008]

約数ペア:

[(1, 25071008), (2, 12535504), (4, 6267752), (8, 3133876), (16, 1566938), (32, 783469), (41, 611488), (82, 305744), (97, 258464), (164, 152872), (194, 129232), (197, 127264), (328, 76436), (388, 64616), (394, 63632), (656, 38218), (776, 32308), (788, 31816), (1312, 19109), (1552, 16154), (1576, 15908), (3104, 8077), (3152, 7954), (3977, 6304)]