128556448

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{13901}}^1$

素因数の和:13945

約数の個数: 36

約数和(自身を含む): 268878582

約数和(自身を除く): 140322134

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 4624, 9248, 13901, 27802, 55604, 111208, 222416, 236317, 444832, 472634, 945268, 1890536, 3781072, 4017389, 7562144, 8034778, 16069556, 32139112, 64278224, 128556448]

約数ペア:

[(1, 128556448), (2, 64278224), (4, 32139112), (8, 16069556), (16, 8034778), (17, 7562144), (32, 4017389), (34, 3781072), (68, 1890536), (136, 945268), (272, 472634), (289, 444832), (544, 236317), (578, 222416), (1156, 111208), (2312, 55604), (4624, 27802), (9248, 13901)]