81978494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{53441}}^1$

素因数の和:53515

約数の個数: 16

約数和(自身を含む): 134673840

約数和(自身を除く): 52695346

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 53441, 106882, 694733, 1389466, 3153019, 6306038, 40989247, 81978494]

約数ペア:

[(1, 81978494), (2, 40989247), (13, 6306038), (26, 3153019), (59, 1389466), (118, 694733), (767, 106882), (1534, 53441)]