28701964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 51732800

約数和(自身を除く): 23030836

約数列:

[1, 2, 4, 61, 79, 122, 158, 244, 316, 1489, 2978, 4819, 5956, 9638, 19276, 90829, 117631, 181658, 235262, 363316, 470524, 7175491, 14350982, 28701964]

約数ペア:

[(1, 28701964), (2, 14350982), (4, 7175491), (61, 470524), (79, 363316), (122, 235262), (158, 181658), (244, 117631), (316, 90829), (1489, 19276), (2978, 9638), (4819, 5956)]