81361888

素因数分解:

$2^5\times {\mathrm{47}}^2\times {\mathrm{1151}}^1$

素因数の和:1255

約数の個数: 36

約数和(自身を含む): 163804032

約数和(自身を除く): 82442144

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1151, 1504, 2209, 2302, 4418, 4604, 8836, 9208, 17672, 18416, 35344, 36832, 54097, 70688, 108194, 216388, 432776, 865552, 1731104, 2542559, 5085118, 10170236, 20340472, 40680944, 81361888]

約数ペア:

[(1, 81361888), (2, 40680944), (4, 20340472), (8, 10170236), (16, 5085118), (32, 2542559), (47, 1731104), (94, 865552), (188, 432776), (376, 216388), (752, 108194), (1151, 70688), (1504, 54097), (2209, 36832), (2302, 35344), (4418, 18416), (4604, 17672), (8836, 9208)]