47891431

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 60739200

約数和(自身を除く): 12847769

約数列:

[1, 7, 17, 37, 73, 119, 149, 259, 511, 629, 1043, 1241, 2533, 2701, 4403, 5513, 8687, 10877, 17731, 18907, 38591, 45917, 76139, 93721, 184909, 321419, 402449, 656047, 1294363, 2817143, 6841633, 47891431]

約数ペア:

[(1, 47891431), (7, 6841633), (17, 2817143), (37, 1294363), (73, 656047), (119, 402449), (149, 321419), (259, 184909), (511, 93721), (629, 76139), (1043, 45917), (1241, 38591), (2533, 18907), (2701, 17731), (4403, 10877), (5513, 8687)]