65501728

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 133189056

約数和(自身を除く): 67687328

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 181, 263, 344, 362, 526, 688, 724, 1052, 1376, 1448, 2104, 2896, 4208, 5792, 7783, 8416, 11309, 15566, 22618, 31132, 45236, 47603, 62264, 90472, 95206, 124528, 180944, 190412, 249056, 361888, 380824, 761648, 1523296, 2046929, 4093858, 8187716, 16375432, 32750864, 65501728]

約数ペア:

[(1, 65501728), (2, 32750864), (4, 16375432), (8, 8187716), (16, 4093858), (32, 2046929), (43, 1523296), (86, 761648), (172, 380824), (181, 361888), (263, 249056), (344, 190412), (362, 180944), (526, 124528), (688, 95206), (724, 90472), (1052, 62264), (1376, 47603), (1448, 45236), (2104, 31132), (2896, 22618), (4208, 15566), (5792, 11309), (7783, 8416)]