4399072

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 9313920

約数和(自身を除く): 4914848

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 86, 92, 139, 172, 184, 278, 344, 368, 556, 688, 736, 989, 1112, 1376, 1978, 2224, 3197, 3956, 4448, 5977, 6394, 7912, 11954, 12788, 15824, 23908, 25576, 31648, 47816, 51152, 95632, 102304, 137471, 191264, 274942, 549884, 1099768, 2199536, 4399072]

約数ペア:

[(1, 4399072), (2, 2199536), (4, 1099768), (8, 549884), (16, 274942), (23, 191264), (32, 137471), (43, 102304), (46, 95632), (86, 51152), (92, 47816), (139, 31648), (172, 25576), (184, 23908), (278, 15824), (344, 12788), (368, 11954), (556, 7912), (688, 6394), (736, 5977), (989, 4448), (1112, 3956), (1376, 3197), (1978, 2224)]