28553918

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1631

約数の個数: 16

約数和(自身を含む): 43745280

約数和(自身を除く): 15191362

約数列:

[1, 2, 79, 127, 158, 254, 1423, 2846, 10033, 20066, 112417, 180721, 224834, 361442, 14276959, 28553918]

約数ペア:

[(1, 28553918), (2, 14276959), (79, 361442), (127, 224834), (158, 180721), (254, 112417), (1423, 20066), (2846, 10033)]