81493528

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{77761}}^1$

素因数の和:77898

約数の個数: 16

約数和(自身を含む): 153968760

約数和(自身を除く): 72475232

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 77761, 155522, 311044, 622088, 10186691, 20373382, 40746764, 81493528]

約数ペア:

[(1, 81493528), (2, 40746764), (4, 20373382), (8, 10186691), (131, 622088), (262, 311044), (524, 155522), (1048, 77761)]