31100416

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 37645184

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 139, 152, 184, 256, 278, 304, 368, 437, 512, 556, 608, 736, 874, 1112, 1216, 1472, 1748, 2224, 2432, 2641, 2944, 3197, 3496, 4448, 4864, 5282, 5888, 6394, 6992, 8896, 9728, 10564, 11776, 12788, 13984, 17792, 21128, 25576, 27968, 35584, 42256, 51152, 55936, 60743, 71168, 84512, 102304, 111872, 121486, 169024, 204608, 223744, 242972, 338048, 409216, 485944, 676096, 818432, 971888, 1352192, 1636864, 1943776, 3887552, 7775104, 15550208, 31100416]

約数ペア:

[(1, 31100416), (2, 15550208), (4, 7775104), (8, 3887552), (16, 1943776), (19, 1636864), (23, 1352192), (32, 971888), (38, 818432), (46, 676096), (64, 485944), (76, 409216), (92, 338048), (128, 242972), (139, 223744), (152, 204608), (184, 169024), (256, 121486), (278, 111872), (304, 102304), (368, 84512), (437, 71168), (512, 60743), (556, 55936), (608, 51152), (736, 42256), (874, 35584), (1112, 27968), (1216, 25576), (1472, 21128), (1748, 17792), (2224, 13984), (2432, 12788), (2641, 11776), (2944, 10564), (3197, 9728), (3496, 8896), (4448, 6992), (4864, 6394), (5282, 5888)]