81540368

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56003}}^1$

素因数の和:56031

約数の個数: 40

約数和(自身を含む): 194445888

約数和(自身を除く): 112905520

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 56003, 112006, 224012, 392021, 448024, 728039, 784042, 896048, 1456078, 1568084, 2912156, 3136168, 5096273, 5824312, 6272336, 10192546, 11648624, 20385092, 40770184, 81540368]

約数ペア:

[(1, 81540368), (2, 40770184), (4, 20385092), (7, 11648624), (8, 10192546), (13, 6272336), (14, 5824312), (16, 5096273), (26, 3136168), (28, 2912156), (52, 1568084), (56, 1456078), (91, 896048), (104, 784042), (112, 728039), (182, 448024), (208, 392021), (364, 224012), (728, 112006), (1456, 56003)]