81898144

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 168249312

約数和(自身を除く): 86351168

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 1123, 1376, 1696, 2246, 2279, 4492, 4558, 8984, 9116, 17968, 18232, 35936, 36464, 48289, 59519, 72928, 96578, 119038, 193156, 238076, 386312, 476152, 772624, 952304, 1545248, 1904608, 2559317, 5118634, 10237268, 20474536, 40949072, 81898144]

約数ペア:

[(1, 81898144), (2, 40949072), (4, 20474536), (8, 10237268), (16, 5118634), (32, 2559317), (43, 1904608), (53, 1545248), (86, 952304), (106, 772624), (172, 476152), (212, 386312), (344, 238076), (424, 193156), (688, 119038), (848, 96578), (1123, 72928), (1376, 59519), (1696, 48289), (2246, 36464), (2279, 35936), (4492, 18232), (4558, 17968), (8984, 9116)]