161881912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{18719}}^1$

素因数の和:18795

約数の個数: 32

約数和(自身を含む): 323481600

約数和(自身を除く): 161599688

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 4324, 8648, 18719, 37438, 74876, 149752, 430537, 861074, 879793, 1722148, 1759586, 3444296, 3519172, 7038344, 20235239, 40470478, 80940956, 161881912]

約数ペア:

[(1, 161881912), (2, 80940956), (4, 40470478), (8, 20235239), (23, 7038344), (46, 3519172), (47, 3444296), (92, 1759586), (94, 1722148), (184, 879793), (188, 861074), (376, 430537), (1081, 149752), (2162, 74876), (4324, 37438), (8648, 18719)]