20171030173

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{3343}}^1\times {\mathrm{6481}}^1$

素因数の和:9857

約数の個数: 24

約数和(自身を含む): 24710421120

約数和(自身を除く): 4539390947

約数列:

[1, 7, 19, 49, 133, 931, 3343, 6481, 23401, 45367, 63517, 123139, 163807, 317569, 444619, 861973, 3112333, 6033811, 21665983, 151661881, 411653677, 1061633167, 2881575739, 20171030173]

約数ペア:

[(1, 20171030173), (7, 2881575739), (19, 1061633167), (49, 411653677), (133, 151661881), (931, 21665983), (3343, 6033811), (6481, 3112333), (23401, 861973), (45367, 444619), (63517, 317569), (123139, 163807)]