128512072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{877}}^1\times {\mathrm{1409}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 259975800

約数和(自身を除く): 131463728

約数列:

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

約数ペア:

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