72542476

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{203771}}^1$

素因数の和:203864

約数の個数: 12

約数和(自身を含む): 128376360

約数和(自身を除く): 55833884

約数列:

[1, 2, 4, 89, 178, 356, 203771, 407542, 815084, 18135619, 36271238, 72542476]

約数ペア:

[(1, 72542476), (2, 36271238), (4, 18135619), (89, 815084), (178, 407542), (356, 203771)]