257024144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{877}}^1\times {\mathrm{1409}}^1$

素因数の和:2307

約数の個数: 40

約数和(自身を含む): 537283320

約数和(自身を除く): 280259176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 877, 1409, 1754, 2818, 3508, 5636, 7016, 11272, 11401, 14032, 18317, 22544, 22802, 36634, 45604, 73268, 91208, 146536, 182416, 293072, 1235693, 2471386, 4942772, 9885544, 16064009, 19771088, 32128018, 64256036, 128512072, 257024144]

約数ペア:

[(1, 257024144), (2, 128512072), (4, 64256036), (8, 32128018), (13, 19771088), (16, 16064009), (26, 9885544), (52, 4942772), (104, 2471386), (208, 1235693), (877, 293072), (1409, 182416), (1754, 146536), (2818, 91208), (3508, 73268), (5636, 45604), (7016, 36634), (11272, 22802), (11401, 22544), (14032, 18317)]