8989408

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 18627840

約数和(自身を除く): 9638432

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 86, 94, 139, 172, 188, 278, 344, 376, 556, 688, 752, 1112, 1376, 1504, 2021, 2224, 4042, 4448, 5977, 6533, 8084, 11954, 13066, 16168, 23908, 26132, 32336, 47816, 52264, 64672, 95632, 104528, 191264, 209056, 280919, 561838, 1123676, 2247352, 4494704, 8989408]

約数ペア:

[(1, 8989408), (2, 4494704), (4, 2247352), (8, 1123676), (16, 561838), (32, 280919), (43, 209056), (47, 191264), (86, 104528), (94, 95632), (139, 64672), (172, 52264), (188, 47816), (278, 32336), (344, 26132), (376, 23908), (556, 16168), (688, 13066), (752, 11954), (1112, 8084), (1376, 6533), (1504, 5977), (2021, 4448), (2224, 4042)]