263178656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1409}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 559629000

約数和(自身を除く): 296450344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 449, 898, 1409, 1796, 2818, 3592, 5636, 5837, 7184, 11272, 11674, 14368, 18317, 22544, 23348, 36634, 45088, 46696, 73268, 93392, 146536, 186784, 293072, 586144, 632641, 1265282, 2530564, 5061128, 8224333, 10122256, 16448666, 20244512, 32897332, 65794664, 131589328, 263178656]

約数ペア:

[(1, 263178656), (2, 131589328), (4, 65794664), (8, 32897332), (13, 20244512), (16, 16448666), (26, 10122256), (32, 8224333), (52, 5061128), (104, 2530564), (208, 1265282), (416, 632641), (449, 586144), (898, 293072), (1409, 186784), (1796, 146536), (2818, 93392), (3592, 73268), (5636, 46696), (5837, 45088), (7184, 36634), (11272, 23348), (11674, 22544), (14368, 18317)]